6402194 has 16 divisors (see below), whose sum is σ = 9879576. Its totient is φ = 3110400.

The previous prime is 6402181. The next prime is 6402203. The reversal of 6402194 is 4912046.

It can be written as a sum of positive squares in 4 ways, for example, as 3286969 + 3115225 = 1813^2 + 1765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564 + ... + 12104.

Almost surely, 2^6402194 is an apocalyptic number.

6402194 is a deficient number, since it is larger than the sum of its proper divisors (3477382).

6402194 is a wasteful number, since it uses less digits than its factorization.

6402194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6402194 is about 2530.2557183020. The cubic root of 6402194 is about 185.6847668496.

The spelling of 6402194 in words is "six million, four hundred two thousand, one hundred ninety-four".