456921406 has 16 divisors (see below), whose sum is σ = 690147216. Its totient is φ = 226877056.

The previous prime is 456921401. The next prime is 456921407. The reversal of 456921406 is 604129654.

It is a super-2 number, since 2×456921406² = 417554342522033672, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 384345 + ... + 385531.

It is an arithmetic number, because the mean of its divisors is an integer number (43134201).

Almost surely, 2^456921406 is an apocalyptic number.

456921406 is a deficient number, since it is larger than the sum of its proper divisors (233225810).

456921406 is a wasteful number, since it uses less digits than its factorization.

456921406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 456921406 is about 21375.7200112651. The cubic root of 456921406 is about 770.2183032010.

The spelling of 456921406 in words is "four hundred fifty-six million, nine hundred twenty-one thousand, four hundred six".