402671846 has 8 divisors (see below), whose sum is σ = 615404304. Its totient is φ = 197537080.

The previous prime is 402671839. The next prime is 402671887. The reversal of 402671846 is 648176204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×402671846² = 324289231122095432, which contains 22 as substring.

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, 1899290 + ... + 1899501.

It is an arithmetic number, because the mean of its divisors is an integer number (76925538).

Almost surely, 2^402671846 is an apocalyptic number.

402671846 is a deficient number, since it is larger than the sum of its proper divisors (212732458).

402671846 is a wasteful number, since it uses less digits than its factorization.

402671846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798846.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 402671846 is about 20066.6849778433. The cubic root of 402671846 is about 738.4431879961.

The spelling of 402671846 in words is "four hundred two million, six hundred seventy-one thousand, eight hundred forty-six".