405496970 has 32 divisors (see below), whose sum is σ = 760415040. Its totient is φ = 155551360.

The previous prime is 405496961. The next prime is 405496979. The reversal of 405496970 is 79694504.

It is an interprime number because it is at equal distance from previous prime (405496961) and next prime (405496979).

It is not an unprimeable number, because it can be changed into a prime (405496979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15809 + ... + 32571.

It is an arithmetic number, because the mean of its divisors is an integer number (23762970).

Almost surely, 2^405496970 is an apocalyptic number.

405496970 is a deficient number, since it is larger than the sum of its proper divisors (354918070).

405496970 is a wasteful number, since it uses less digits than its factorization.

405496970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 405496970 is about 20136.9553309332. The cubic root of 405496970 is about 740.1661241354.

The spelling of 405496970 in words is "four hundred five million, four hundred ninety-six thousand, nine hundred seventy".