402860224 has 28 divisors (see below), whose sum is σ = 860921824. Its totient is φ = 185935104.

The previous prime is 402860197. The next prime is 402860231. The reversal of 402860224 is 422068204.

It is a junction number, because it is equal to n+sod(n) for n = 402860192 and 402860201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241272 + ... + 242935.

It is an arithmetic number, because the mean of its divisors is an integer number (30747208).

Almost surely, 2^402860224 is an apocalyptic number.

It is an amenable number.

402860224 is an abundant number, since it is smaller than the sum of its proper divisors (458061600).

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

402860224 is a wasteful number, since it uses less digits than its factorization.

402860224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484232 (or 484222 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 402860224 is about 20071.3782287116. The cubic root of 402860224 is about 738.5583229094.

The spelling of 402860224 in words is "four hundred two million, eight hundred sixty thousand, two hundred twenty-four".