3678421794 has 16 divisors (see below), whose sum is σ = 7388420832. Its totient is φ = 1220877728.

The previous prime is 3678421783. The next prime is 3678421837. The reversal of 3678421794 is 4971248763.

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, 1314204 + ... + 1316999.

It is an arithmetic number, because the mean of its divisors is an integer number (461776302).

Almost surely, 2^3678421794 is an apocalyptic number.

3678421794 is an abundant number, since it is smaller than the sum of its proper divisors (3709999038).

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

3678421794 is a wasteful number, since it uses less digits than its factorization.

3678421794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631441.

The product of its digits is 2032128, while the sum is 51.

The square root of 3678421794 is about 60649.9941797194. The cubic root of 3678421794 is about 1543.6677901355.

The spelling of 3678421794 in words is "three billion, six hundred seventy-eight million, four hundred twenty-one thousand, seven hundred ninety-four".