403407420 has 48 divisors (see below), whose sum is σ = 1216430880. Its totient is φ = 99300096.

The previous prime is 403407409. The next prime is 403407421. The reversal of 403407420 is 24704304.

It is a super-2 number, since 2×403407420² = 325475093022112800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403407421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257815 + ... + 259374.

It is an arithmetic number, because the mean of its divisors is an integer number (25342310).

Almost surely, 2^403407420 is an apocalyptic number.

It is an amenable number.

403407420 is an abundant number, since it is smaller than the sum of its proper divisors (813023460).

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

403407420 is a wasteful number, since it uses less digits than its factorization.

403407420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517214 (or 517212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 403407420 is about 20085.0048543683. The cubic root of 403407420 is about 738.8925606901.

The spelling of 403407420 in words is "four hundred three million, four hundred seven thousand, four hundred twenty".