402060386 has 24 divisors (see below), whose sum is σ = 755522460. Its totient is φ = 159056352.

The previous prime is 402060377. The next prime is 402060409. The reversal of 402060386 is 683060204.

It can be written as a sum of positive squares in 2 ways, for example, as 399400225 + 2660161 = 19985^2 + 1631^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156521 + ... + 159068.

Almost surely, 2^402060386 is an apocalyptic number.

402060386 is a deficient number, since it is larger than the sum of its proper divisors (353462074).

402060386 is a wasteful number, since it uses less digits than its factorization.

402060386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315618 (or 315611 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 402060386 is about 20051.4434891855. The cubic root of 402060386 is about 738.0692216022.

The spelling of 402060386 in words is "four hundred two million, sixty thousand, three hundred eighty-six".