39949056 has 108 divisors (see below), whose sum is σ = 131690832. Its totient is φ = 11409408.

The previous prime is 39949033. The next prime is 39949057. The reversal of 39949056 is 65094993.

It is a happy number.

It is a super-2 number, since 2×39949056² = 3191854150582272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39949057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14890 + ... + 17366.

Almost surely, 2^39949056 is an apocalyptic number.

39949056 is a gapful number since it is divisible by the number (36) 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 39949056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65845416).

39949056 is an abundant number, since it is smaller than the sum of its proper divisors (91741776).

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

39949056 is a wasteful number, since it uses less digits than its factorization.

39949056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 39949056 is about 6320.5265603429. The cubic root of 39949056 is about 341.8499392967.

It can be divided in two parts, 399 and 49056, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 39949056 in words is "thirty-nine million, nine hundred forty-nine thousand, fifty-six".