3671898 has 16 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 1151936.

The previous prime is 3671897. The next prime is 3671903. The reversal of 3671898 is 8981763.

It is not an unprimeable number, because it can be changed into a prime (3671891) 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, 17898 + ... + 18101.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^3671898 is an apocalyptic number.

3671898 is an abundant number, since it is smaller than the sum of its proper divisors (4104102).

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

3671898 is a wasteful number, since it uses less digits than its factorization.

3671898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36021.

The product of its digits is 72576, while the sum is 42.

The square root of 3671898 is about 1916.2197160034. The cubic root of 3671898 is about 154.2754669365.

The spelling of 3671898 in words is "three million, six hundred seventy-one thousand, eight hundred ninety-eight".