39497874 has 32 divisors (see below), whose sum is σ = 86111424. Its totient is φ = 12004800.

The previous prime is 39497863. The next prime is 39497881. The reversal of 39497874 is 47879493.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 3424 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (2690982).

Almost surely, 2^39497874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39497874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43055712).

39497874 is an abundant number, since it is smaller than the sum of its proper divisors (46613550).

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

39497874 is a wasteful number, since it uses less digits than its factorization.

39497874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202.

The product of its digits is 1524096, while the sum is 51.

The square root of 39497874 is about 6284.7334072338. The cubic root of 39497874 is about 340.5581202364.

The spelling of 39497874 in words is "thirty-nine million, four hundred ninety-seven thousand, eight hundred seventy-four".