39406893 has 8 divisors (see below), whose sum is σ = 55308000. Its totient is φ = 24888528.

The previous prime is 39406883. The next prime is 39406903. The reversal of 39406893 is 39860493.

39406893 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 (39406883) and next prime (39406903).

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

It is not a de Polignac number, because 39406893 - 2²⁰ = 38358317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39406883) 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, 345618 + ... + 345731.

It is an arithmetic number, because the mean of its divisors is an integer number (6913500).

Almost surely, 2^39406893 is an apocalyptic number.

It is an amenable number.

39406893 is a deficient number, since it is larger than the sum of its proper divisors (15901107).

39406893 is a wasteful number, since it uses less digits than its factorization.

39406893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691371.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 39406893 is about 6277.4909796829. The cubic root of 39406893 is about 340.2964340926.

The spelling of 39406893 in words is "thirty-nine million, four hundred six thousand, eight hundred ninety-three".