427169828 has 12 divisors (see below), whose sum is σ = 749253120. Its totient is φ = 213097512.

The previous prime is 427169803. The next prime is 427169843. The reversal of 427169828 is 828961724.

It is a happy 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, 119876 + ... + 123387.

It is an arithmetic number, because the mean of its divisors is an integer number (62437760).

Almost surely, 2^427169828 is an apocalyptic number.

It is an amenable number.

427169828 is a deficient number, since it is larger than the sum of its proper divisors (322083292).

427169828 is a wasteful number, since it uses less digits than its factorization.

427169828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243706 (or 243704 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 427169828 is about 20668.0871877395. The cubic root of 427169828 is about 753.1246399406.

The spelling of 427169828 in words is "four hundred twenty-seven million, one hundred sixty-nine thousand, eight hundred twenty-eight".