39428958 has 32 divisors (see below), whose sum is σ = 81492480. Its totient is φ = 12710720.

The previous prime is 39428957. The next prime is 39429017. The reversal of 39428958 is 85982493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24313 + ... + 25883.

It is an arithmetic number, because the mean of its divisors is an integer number (2546640).

Almost surely, 2^39428958 is an apocalyptic number.

39428958 is an abundant number, since it is smaller than the sum of its proper divisors (42063522).

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

39428958 is a wasteful number, since it uses less digits than its factorization.

39428958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 622080, while the sum is 48.

The square root of 39428958 is about 6279.2482034078. The cubic root of 39428958 is about 340.3599360103.

The spelling of 39428958 in words is "thirty-nine million, four hundred twenty-eight thousand, nine hundred fifty-eight".