39872495 has 32 divisors (see below), whose sum is σ = 54008640. Its totient is φ = 28062720.

The previous prime is 39872491. The next prime is 39872509. The reversal of 39872495 is 59427893.

It is a happy number.

It is not a de Polignac number, because 39872495 - 2² = 39872491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39872491) 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, 141755 + ... + 142035.

It is an arithmetic number, because the mean of its divisors is an integer number (1687770).

Almost surely, 2^39872495 is an apocalyptic number.

39872495 is a deficient number, since it is larger than the sum of its proper divisors (14136145).

39872495 is a wasteful number, since it uses less digits than its factorization.

39872495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 544320, while the sum is 47.

The square root of 39872495 is about 6314.4671192429. The cubic root of 39872495 is about 341.6314184009.

The spelling of 39872495 in words is "thirty-nine million, eight hundred seventy-two thousand, four hundred ninety-five".