402966 has 24 divisors (see below), whose sum is σ = 889824. Its totient is φ = 131760.

The previous prime is 402949. The next prime is 402991. The reversal of 402966 is 669204.

It is a Curzon number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (37076).

2⁴⁰²⁹⁶⁶ is an apocalyptic number.

402966 is an abundant number, since it is smaller than the sum of its proper divisors (486858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402966 is a wasteful number, since it uses less digits than its factorization.

402966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 402966 is about 634.7960302333. The cubic root of 402966 is about 73.8622956500.

It can be divided in two parts, 4029 and 66, that added together give a triangular number (4095 = T₉₀).

The spelling of 402966 in words is "four hundred two thousand, nine hundred sixty-six".