420417498 has 16 divisors (see below), whose sum is σ = 847457280. Its totient is φ = 139035456.

The previous prime is 420417457. The next prime is 420417509. The reversal of 420417498 is 894714024.

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, 275103 + ... + 276626.

It is an arithmetic number, because the mean of its divisors is an integer number (52966080).

Almost surely, 2^420417498 is an apocalyptic number.

420417498 is an abundant number, since it is smaller than the sum of its proper divisors (427039782).

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

420417498 is a wasteful number, since it uses less digits than its factorization.

420417498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551861.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 420417498 is about 20504.0849100856. The cubic root of 420417498 is about 749.1352985495.

The spelling of 420417498 in words is "four hundred twenty million, four hundred seventeen thousand, four hundred ninety-eight".