400303496 has 32 divisors (see below), whose sum is σ = 776563200. Its totient is φ = 193249920.

The previous prime is 400303483. The next prime is 400303499. The reversal of 400303496 is 694303004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400303499) 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, 123140 + ... + 126348.

It is an arithmetic number, because the mean of its divisors is an integer number (24267600).

Almost surely, 2^400303496 is an apocalyptic number.

It is an amenable number.

400303496 is a deficient number, since it is larger than the sum of its proper divisors (376259704).

400303496 is a wasteful number, since it uses less digits than its factorization.

400303496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 400303496 is about 20007.5859613298. The cubic root of 400303496 is about 736.9926007553.

The spelling of 400303496 in words is "four hundred million, three hundred three thousand, four hundred ninety-six".