402764 has 12 divisors (see below), whose sum is σ = 746424. Its totient is φ = 189504.

The previous prime is 402763. The next prime is 402767. The reversal of 402764 is 467204.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (402761) 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, 2894 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (62202).

2⁴⁰²⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

402764 is a deficient number, since it is larger than the sum of its proper divisors (343660).

402764 is a wasteful number, since it uses less digits than its factorization.

402764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 402764 is about 634.6369040640. The cubic root of 402764 is about 73.8499516165.

Adding to 402764 its reverse (467204), we get a palindrome (869968).

The spelling of 402764 in words is "four hundred two thousand, seven hundred sixty-four".