39401020 has 24 divisors (see below), whose sum is σ = 83878704. Its totient is φ = 15543936.

The previous prime is 39401017. The next prime is 39401023. The reversal of 39401020 is 2010493.

39401020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39401017) and next prime (39401023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12034 + ... + 14953.

It is an arithmetic number, because the mean of its divisors is an integer number (3494946).

Almost surely, 2^39401020 is an apocalyptic number.

It is an amenable number.

39401020 is an abundant number, since it is smaller than the sum of its proper divisors (44477684).

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

39401020 is a wasteful number, since it uses less digits than its factorization.

39401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27069 (or 27067 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 39401020 is about 6277.0231798202. The cubic root of 39401020 is about 340.2795279112.

The spelling of 39401020 in words is "thirty-nine million, four hundred one thousand, twenty".