402704 has 10 divisors (see below), whose sum is σ = 780270. Its totient is φ = 201344.

The previous prime is 402697. The next prime is 402739. The reversal of 402704 is 407204.

It can be written as a sum of positive squares in only one way, i.e., 300304 + 102400 = 548^2 + 320^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12569 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (78027).

2⁴⁰²⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

402704 is a deficient number, since it is larger than the sum of its proper divisors (377566).

402704 is a wasteful number, since it uses less digits than its factorization.

402704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25177 (or 25171 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 402704 is about 634.5896311791. The cubic root of 402704 is about 73.8462842768.

Adding to 402704 its reverse (407204), we get a palindrome (809908).

It can be divided in two parts, 40 and 2704, that added together give a cube (2744 = 14³).

The spelling of 402704 in words is "four hundred two thousand, seven hundred four", and thus it is an iban number.