427284028 has 24 divisors (see below), whose sum is σ = 774345600. Its totient is φ = 206058048.

The previous prime is 427284019. The next prime is 427284059. The reversal of 427284028 is 820482724.

It is a congruent number.

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, 192501 + ... + 194707.

It is an arithmetic number, because the mean of its divisors is an integer number (32264400).

Almost surely, 2^427284028 is an apocalyptic number.

It is an amenable number.

427284028 is a deficient number, since it is larger than the sum of its proper divisors (347061572).

427284028 is a wasteful number, since it uses less digits than its factorization.

427284028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 427284028 is about 20670.8497164485. The cubic root of 427284028 is about 753.1917476536.

The spelling of 427284028 in words is "four hundred twenty-seven million, two hundred eighty-four thousand, twenty-eight".