39428375 has 16 divisors (see below), whose sum is σ = 56237376. Its totient is φ = 27036000.

The previous prime is 39428369. The next prime is 39428393. The reversal of 39428375 is 57382493.

It is not a de Polignac number, because 39428375 - 2¹⁰ = 39427351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21656 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (3514836).

Almost surely, 2^39428375 is an apocalyptic number.

39428375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39428375 is a deficient number, since it is larger than the sum of its proper divisors (16809001).

39428375 is an equidigital number, since it uses as much as digits as its factorization.

39428375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45083 (or 45073 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 39428375 is about 6279.2017804813. The cubic root of 39428375 is about 340.3582584715.

The spelling of 39428375 in words is "thirty-nine million, four hundred twenty-eight thousand, three hundred seventy-five".