400959701 has 4 divisors (see below), whose sum is σ = 404116992. Its totient is φ = 397802412.

The previous prime is 400959677. The next prime is 400959703. The reversal of 400959701 is 107959004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400959701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400959703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578455 + ... + 1578708.

It is an arithmetic number, because the mean of its divisors is an integer number (101029248).

Almost surely, 2^400959701 is an apocalyptic number.

It is an amenable number.

400959701 is a deficient number, since it is larger than the sum of its proper divisors (3157291).

400959701 is a wasteful number, since it uses less digits than its factorization.

400959701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157290.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 400959701 is about 20023.9781512066. The cubic root of 400959701 is about 737.3950905451.

The spelling of 400959701 in words is "four hundred million, nine hundred fifty-nine thousand, seven hundred one".