6408774 has 16 divisors (see below), whose sum is σ = 14241840. Its totient is φ = 2136240.

The previous prime is 6408769. The next prime is 6408791. The reversal of 6408774 is 4778046.

It is a happy number.

6408774 is a `hidden beast` number, since 640 + 8 + 7 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

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, 59287 + ... + 59394.

It is an arithmetic number, because the mean of its divisors is an integer number (890115).

Almost surely, 2^6408774 is an apocalyptic number.

6408774 is an abundant number, since it is smaller than the sum of its proper divisors (7833066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6408774 is a wasteful number, since it uses less digits than its factorization.

6408774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118692 (or 118686 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 6408774 is about 2531.5556482132. Note that the first 3 decimals coincide. The cubic root of 6408774 is about 185.7483589778.

The spelling of 6408774 in words is "six million, four hundred eight thousand, seven hundred seventy-four".