420796915 has 32 divisors (see below), whose sum is σ = 630936576. Its totient is φ = 261740160.

The previous prime is 420796913. The next prime is 420796919. The reversal of 420796915 is 519697024.

It is a happy number.

It is not a de Polignac number, because 420796915 - 2¹ = 420796913 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420796913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235114 + ... + 236896.

It is an arithmetic number, because the mean of its divisors is an integer number (19716768).

Almost surely, 2^420796915 is an apocalyptic number.

420796915 is a deficient number, since it is larger than the sum of its proper divisors (210139661).

420796915 is a wasteful number, since it uses less digits than its factorization.

420796915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 420796915 is about 20513.3350530819. The cubic root of 420796915 is about 749.3605898426.

The spelling of 420796915 in words is "four hundred twenty million, seven hundred ninety-six thousand, nine hundred fifteen".