400354676 has 6 divisors (see below), whose sum is σ = 700620690. Its totient is φ = 200177336.

The previous prime is 400354649. The next prime is 400354687. The reversal of 400354676 is 676453004.

It can be written as a sum of positive squares in only one way, i.e., 312370276 + 87984400 = 17674^2 + 9380^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50044331 + ... + 50044338.

It is an arithmetic number, because the mean of its divisors is an integer number (116770115).

Almost surely, 2^400354676 is an apocalyptic number.

It is an amenable number.

400354676 is a deficient number, since it is larger than the sum of its proper divisors (300266014).

400354676 is a wasteful number, since it uses less digits than its factorization.

400354676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100088673 (or 100088671 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 400354676 is about 20008.8649353230. The cubic root of 400354676 is about 737.0240083200.

The spelling of 400354676 in words is "four hundred million, three hundred fifty-four thousand, six hundred seventy-six".