6404370 has 32 divisors (see below), whose sum is σ = 17566848. Its totient is φ = 1463808.

The previous prime is 6404369. The next prime is 6404381. The reversal of 6404370 is 734046.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6404370.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15039 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (548964).

Almost surely, 2^6404370 is an apocalyptic number.

6404370 is an abundant number, since it is smaller than the sum of its proper divisors (11162478).

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

6404370 is a wasteful number, since it uses less digits than its factorization.

6404370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30514.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 6404370 is about 2530.6856778352. The cubic root of 6404370 is about 185.7058015284.

The spelling of 6404370 in words is "six million, four hundred four thousand, three hundred seventy".