402477 has 16 divisors (see below), whose sum is σ = 591360. Its totient is φ = 242352.

The previous prime is 402443. The next prime is 402487. The reversal of 402477 is 774204.

It is not a de Polignac number, because 402477 - 2⁸ = 402221 is a prime.

402477 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 1464.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2⁴⁰²⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

402477 is a deficient number, since it is larger than the sum of its proper divisors (188883).

402477 is a wasteful number, since it uses less digits than its factorization.

402477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 402477 is about 634.4107502242. The cubic root of 402477 is about 73.8324062115.

The spelling of 402477 in words is "four hundred two thousand, four hundred seventy-seven", and thus it is an iban number.