385879428 has 36 divisors (see below), whose sum is σ = 1064092848. Its totient is φ = 116933040.

The previous prime is 385879409. The next prime is 385879453. The reversal of 385879428 is 824978583.

It is a happy number.

385879428 is a `hidden beast` number, since 38 + 587 + 9 + 4 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486826 + ... + 487617.

Almost surely, 2^385879428 is an apocalyptic number.

It is an amenable number.

385879428 is an abundant number, since it is smaller than the sum of its proper divisors (678213420).

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

385879428 is a wasteful number, since it uses less digits than its factorization.

385879428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974464 (or 974459 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 385879428 is about 19643.8139881236. The cubic root of 385879428 is about 728.0321228228.

The spelling of 385879428 in words is "three hundred eighty-five million, eight hundred seventy-nine thousand, four hundred twenty-eight".