402174085 has 4 divisors (see below), whose sum is σ = 482608908. Its totient is φ = 321739264.

The previous prime is 402174023. The next prime is 402174131. The reversal of 402174085 is 580471204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 200477281 + 201696804 = 14159^2 + 14202^2 .

It is a cyclic number.

It is not a de Polignac number, because 402174085 - 2⁷ = 402173957 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 40217404 + ... + 40217413.

It is an arithmetic number, because the mean of its divisors is an integer number (120652227).

Almost surely, 2^402174085 is an apocalyptic number.

It is an amenable number.

402174085 is a deficient number, since it is larger than the sum of its proper divisors (80434823).

402174085 is an equidigital number, since it uses as much as digits as its factorization.

402174085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80434822.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 402174085 is about 20054.2784711891. The cubic root of 402174085 is about 738.1387881203.

The spelling of 402174085 in words is "four hundred two million, one hundred seventy-four thousand, eighty-five".