39924897 has 8 divisors (see below), whose sum is σ = 53263680. Its totient is φ = 26601360.

The previous prime is 39924883. The next prime is 39924901. The reversal of 39924897 is 79842993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39924897 - 2⁸ = 39924641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39924877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (6657960).

Almost surely, 2^39924897 is an apocalyptic number.

It is an amenable number.

39924897 is a deficient number, since it is larger than the sum of its proper divisors (13338783).

39924897 is a wasteful number, since it uses less digits than its factorization.

39924897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623.

The product of its digits is 979776, while the sum is 51.

The square root of 39924897 is about 6318.6151172547. The cubic root of 39924897 is about 341.7810146972.

The spelling of 39924897 in words is "thirty-nine million, nine hundred twenty-four thousand, eight hundred ninety-seven".