39976146 has 64 divisors (see below), whose sum is σ = 107516160. Its totient is φ = 10748160.

The previous prime is 39976127. The next prime is 39976147. The reversal of 39976146 is 64167993.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39976147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3316 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (1679940).

Almost surely, 2^39976146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39976146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53758080).

39976146 is an abundant number, since it is smaller than the sum of its proper divisors (67540014).

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

39976146 is a wasteful number, since it uses less digits than its factorization.

39976146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6250 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 39976146 is about 6322.6692148174. The cubic root of 39976146 is about 341.9271928733.

The spelling of 39976146 in words is "thirty-nine million, nine hundred seventy-six thousand, one hundred forty-six".