3678940 has 24 divisors (see below), whose sum is σ = 7993440. Its totient is φ = 1420608.

The previous prime is 3678937. The next prime is 3678943. The reversal of 3678940 is 498763.

It is an interprime number because it is at equal distance from previous prime (3678937) and next prime (3678943).

It is a self number, because there is not a number n which added to its sum of digits gives 3678940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (333060).

Almost surely, 2^3678940 is an apocalyptic number.

It is an amenable number.

3678940 is an abundant number, since it is smaller than the sum of its proper divisors (4314500).

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

3678940 is a wasteful number, since it uses less digits than its factorization.

3678940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3678940 is about 1918.0563078283. The cubic root of 3678940 is about 154.3740275964.

The spelling of 3678940 in words is "three million, six hundred seventy-eight thousand, nine hundred forty".