3630998 has 32 divisors (see below), whose sum is σ = 6528000. Its totient is φ = 1513512.

The previous prime is 3630997. The next prime is 3631007. The reversal of 3630998 is 8990363.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45923 + ... + 46001.

It is an arithmetic number, because the mean of its divisors is an integer number (204000).

Almost surely, 2^3630998 is an apocalyptic number.

3630998 is a deficient number, since it is larger than the sum of its proper divisors (2897002).

3630998 is an equidigital number, since it uses as much as digits as its factorization.

3630998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3630998 is about 1905.5177774033. The cubic root of 3630998 is about 153.7005199142.

The spelling of 3630998 in words is "three million, six hundred thirty thousand, nine hundred ninety-eight".