3644898 has 16 divisors (see below), whose sum is σ = 7309056. Its totient is φ = 1211760.

The previous prime is 3644873. The next prime is 3644899. The reversal of 3644898 is 8984463.

It is not an unprimeable number, because it can be changed into a prime (3644899) 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, 3183 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (456816).

Almost surely, 2^3644898 is an apocalyptic number.

3644898 is an abundant number, since it is smaller than the sum of its proper divisors (3664158).

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

3644898 is a wasteful number, since it uses less digits than its factorization.

3644898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 165888, while the sum is 42.

The square root of 3644898 is about 1909.1615960940. The cubic root of 3644898 is about 153.8963996521.

The spelling of 3644898 in words is "three million, six hundred forty-four thousand, eight hundred ninety-eight".