39256980 has 96 divisors (see below), whose sum is σ = 126658560. Its totient is φ = 8899200.

The previous prime is 39256969. The next prime is 39256993. The reversal of 39256980 is 8965293.

It is a super-2 number, since 2×39256980² = 3082220957440800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63111 + ... + 63729.

It is an arithmetic number, because the mean of its divisors is an integer number (1319360).

Almost surely, 2^39256980 is an apocalyptic number.

39256980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39256980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63329280).

39256980 is an abundant number, since it is smaller than the sum of its proper divisors (87401580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39256980 is a wasteful number, since it uses less digits than its factorization.

39256980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 39256980 is about 6265.5390829521. The cubic root of 39256980 is about 339.8643634293.

The spelling of 39256980 in words is "thirty-nine million, two hundred fifty-six thousand, nine hundred eighty".