420929284 has 12 divisors (see below), whose sum is σ = 760388608. Its totient is φ = 203675400.

The previous prime is 420929281. The next prime is 420929291. The reversal of 420929284 is 482929024.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (420929281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697172 + ... + 1697419.

Almost surely, 2^420929284 is an apocalyptic number.

It is an amenable number.

420929284 is a deficient number, since it is larger than the sum of its proper divisors (339459324).

420929284 is a wasteful number, since it uses less digits than its factorization.

420929284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394626 (or 3394624 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 420929284 is about 20516.5612128349. The cubic root of 420929284 is about 749.4391564142.

It can be divided in two parts, 4209292 and 84, that multiplied together give a triangular number (353580528 = T₂₆₅₉₂).

The spelling of 420929284 in words is "four hundred twenty million, nine hundred twenty-nine thousand, two hundred eighty-four".