402970 has 16 divisors (see below), whose sum is σ = 738720. Its totient is φ = 158224.

The previous prime is 402949. The next prime is 402991. The reversal of 402970 is 79204.

It is an interprime number because it is at equal distance from previous prime (402949) and next prime (402991).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (46170).

2⁴⁰²⁹⁷⁰ is an apocalyptic number.

402970 is a deficient number, since it is larger than the sum of its proper divisors (335750).

402970 is a wasteful number, since it uses less digits than its factorization.

402970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 402970 is about 634.7991808438. The cubic root of 402970 is about 73.8625400447.

The spelling of 402970 in words is "four hundred two thousand, nine hundred seventy".