400969364 has 6 divisors (see below), whose sum is σ = 701696394. Its totient is φ = 200484680.

The previous prime is 400969357. The next prime is 400969379. The reversal of 400969364 is 463969004.

It can be written as a sum of positive squares in only one way, i.e., 361380100 + 39589264 = 19010^2 + 6292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121167 + ... + 50121174.

It is an arithmetic number, because the mean of its divisors is an integer number (116949399).

Almost surely, 2^400969364 is an apocalyptic number.

It is an amenable number.

400969364 is a deficient number, since it is larger than the sum of its proper divisors (300727030).

400969364 is a wasteful number, since it uses less digits than its factorization.

400969364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100242345 (or 100242343 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 400969364 is about 20024.2194354736. The cubic root of 400969364 is about 737.4010141591.

The spelling of 400969364 in words is "four hundred million, nine hundred sixty-nine thousand, three hundred sixty-four".