456921403 has 4 divisors (see below), whose sum is σ = 457017120. Its totient is φ = 456825688.

The previous prime is 456921401. The next prime is 456921407. The reversal of 456921403 is 304129654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 456921403 - 2¹ = 456921401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456921401) 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, 40300 + ... + 50377.

It is an arithmetic number, because the mean of its divisors is an integer number (114254280).

Almost surely, 2^456921403 is an apocalyptic number.

456921403 is a deficient number, since it is larger than the sum of its proper divisors (95717).

456921403 is an equidigital number, since it uses as much as digits as its factorization.

456921403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95716.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 456921403 is about 21375.7199410920. The cubic root of 456921403 is about 770.2183015153.

The spelling of 456921403 in words is "four hundred fifty-six million, nine hundred twenty-one thousand, four hundred three".