838425028 has 24 divisors (see below), whose sum is σ = 1680694400. Its totient is φ = 358501248.

The previous prime is 838425017. The next prime is 838425121. The reversal of 838425028 is 820524838.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21813 + ... + 46396.

Almost surely, 2^838425028 is an apocalyptic number.

It is an amenable number.

838425028 is an abundant number, since it is smaller than the sum of its proper divisors (842269372).

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

838425028 is a wasteful number, since it uses less digits than its factorization.

838425028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68659 (or 68657 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 838425028 is about 28955.5698959630. The cubic root of 838425028 is about 942.9487258584.

The spelling of 838425028 in words is "eight hundred thirty-eight million, four hundred twenty-five thousand, twenty-eight".