39780630 has 24 divisors (see below), whose sum is σ = 103429872. Its totient is φ = 10608144.

The previous prime is 39780617. The next prime is 39780641. The reversal of 39780630 is 3608793.

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 11 ways as a sum of consecutive naturals, for example, 220914 + ... + 221093.

It is an arithmetic number, because the mean of its divisors is an integer number (4309578).

Almost surely, 2^39780630 is an apocalyptic number.

39780630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39780630 is an abundant number, since it is smaller than the sum of its proper divisors (63649242).

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

39780630 is a wasteful number, since it uses less digits than its factorization.

39780630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442020 (or 442017 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39780630 is about 6307.1887556977. The cubic root of 39780630 is about 341.3688472248.

The spelling of 39780630 in words is "thirty-nine million, seven hundred eighty thousand, six hundred thirty".