39650490 has 96 divisors (see below), whose sum is σ = 113735232. Its totient is φ = 9583200.

The previous prime is 39650489. The next prime is 39650491. The reversal of 39650490 is 9405693.

It is an interprime number because it is at equal distance from previous prime (39650489) and next prime (39650491).

It is a super-2 number, since 2×39650490² = 3144322714480200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39650491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119625 + ... + 119955.

It is an arithmetic number, because the mean of its divisors is an integer number (1184742).

Almost surely, 2^39650490 is an apocalyptic number.

39650490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39650490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56867616).

39650490 is an abundant number, since it is smaller than the sum of its proper divisors (74084742).

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

39650490 is a wasteful number, since it uses less digits than its factorization.

39650490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 39650490 is about 6296.8635049523. The cubic root of 39650490 is about 340.9961844873.

The spelling of 39650490 in words is "thirty-nine million, six hundred fifty thousand, four hundred ninety".