402495 has 8 divisors (see below), whose sum is σ = 644016. Its totient is φ = 214656.

The previous prime is 402487. The next prime is 402503. The reversal of 402495 is 594204.

It is an interprime number because it is at equal distance from previous prime (402487) and next prime (402503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402495 - 2³ = 402487 is a prime.

It is a congruent number.

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, 13402 + ... + 13431.

It is an arithmetic number, because the mean of its divisors is an integer number (80502).

2⁴⁰²⁴⁹⁵ is an apocalyptic number.

402495 is a deficient number, since it is larger than the sum of its proper divisors (241521).

402495 is a wasteful number, since it uses less digits than its factorization.

402495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26841.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 402495 is about 634.4249364582. The cubic root of 402495 is about 73.8335068653.

Adding to 402495 its reverse (594204), we get a palindrome (996699).

The spelling of 402495 in words is "four hundred two thousand, four hundred ninety-five".