39428542 has 8 divisors (see below), whose sum is σ = 62621856. Its totient is φ = 18554592.

The previous prime is 39428539. The next prime is 39428561. The reversal of 39428542 is 24582493.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579798 + ... + 579865.

It is an arithmetic number, because the mean of its divisors is an integer number (7827732).

Almost surely, 2^39428542 is an apocalyptic number.

39428542 is a deficient number, since it is larger than the sum of its proper divisors (23193314).

39428542 is a wasteful number, since it uses less digits than its factorization.

39428542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159682.

The product of its digits is 69120, while the sum is 37.

The square root of 39428542 is about 6279.2150783358. The cubic root of 39428542 is about 340.3587390031.

The spelling of 39428542 in words is "thirty-nine million, four hundred twenty-eight thousand, five hundred forty-two".