39801015 has 48 divisors (see below), whose sum is σ = 71879808. Its totient is φ = 20357568.

The previous prime is 39800989. The next prime is 39801019. The reversal of 39801015 is 51010893.

It is not a de Polignac number, because 39801015 - 2⁵ = 39800983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39801015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39801019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129492 + ... + 129798.

It is an arithmetic number, because the mean of its divisors is an integer number (1497496).

Almost surely, 2^39801015 is an apocalyptic number.

39801015 is a deficient number, since it is larger than the sum of its proper divisors (32078793).

39801015 is a wasteful number, since it uses less digits than its factorization.

39801015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 39801015 is about 6308.8045618802. The cubic root of 39801015 is about 341.4271470862.

The spelling of 39801015 in words is "thirty-nine million, eight hundred one thousand, fifteen".