402032086 has 4 divisors (see below), whose sum is σ = 603048132. Its totient is φ = 201016042.

The previous prime is 402032051. The next prime is 402032119. The reversal of 402032086 is 680230204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×402032086² = 323259596347022792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402032086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100508020 + ... + 100508023.

It is an arithmetic number, because the mean of its divisors is an integer number (150762033).

Almost surely, 2^402032086 is an apocalyptic number.

402032086 is a deficient number, since it is larger than the sum of its proper divisors (201016046).

402032086 is a wasteful number, since it uses less digits than its factorization.

402032086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201016045.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 402032086 is about 20050.7377919118. The cubic root of 402032086 is about 738.0519042624.

The spelling of 402032086 in words is "four hundred two million, thirty-two thousand, eighty-six".