420954795 has 24 divisors (see below), whose sum is σ = 745183296. Its totient is φ = 219731328.

The previous prime is 420954791. The next prime is 420954817. The reversal of 420954795 is 597459024.

It is not a de Polignac number, because 420954795 - 2² = 420954791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 420954795.

It is not an unprimeable number, because it can be changed into a prime (420954791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97402 + ... + 101631.

It is an arithmetic number, because the mean of its divisors is an integer number (31049304).

Almost surely, 2^420954795 is an apocalyptic number.

420954795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420954795 is a deficient number, since it is larger than the sum of its proper divisors (324228501).

420954795 is a wasteful number, since it uses less digits than its factorization.

420954795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199091 (or 199088 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 420954795 is about 20517.1829206643. The cubic root of 420954795 is about 749.4542963730.

The spelling of 420954795 in words is "four hundred twenty million, nine hundred fifty-four thousand, seven hundred ninety-five".