400964 has 12 divisors (see below), whose sum is σ = 714000. Its totient is φ = 196968.
The previous prime is 400963. The next prime is 400997. The reversal of 400964 is 469004.
It is not an unprimeable number, because it can be changed into a prime (400963) 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, 614 + ... + 1085.
It is an arithmetic number, because the mean of its divisors is an integer number (59500).
2400964 is an apocalyptic number.
It is an amenable number.
400964 is a deficient number, since it is larger than the sum of its proper divisors (313036).
400964 is a wasteful number, since it uses less digits than its factorization.
400964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1762 (or 1760 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 400964 is about 633.2171823316. The cubic root of 400964 is about 73.7397725931.
Adding to 400964 its reverse (469004), we get a palindrome (869968).
The spelling of 400964 in words is "four hundred thousand, nine hundred sixty-four".
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