400969274 has 32 divisors (see below), whose sum is σ = 648362880. Its totient is φ = 185395392.

The previous prime is 400969249. The next prime is 400969277. The reversal of 400969274 is 472969004.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400969277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529304 + ... + 530060.

It is an arithmetic number, because the mean of its divisors is an integer number (20261340).

Almost surely, 2^400969274 is an apocalyptic number.

400969274 is a deficient number, since it is larger than the sum of its proper divisors (247393606).

400969274 is a wasteful number, since it uses less digits than its factorization.

400969274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 400969274 is about 20024.2171881949. The cubic root of 400969274 is about 737.4009589877.

The spelling of 400969274 in words is "four hundred million, nine hundred sixty-nine thousand, two hundred seventy-four".