3630398 has 4 divisors (see below), whose sum is σ = 5445600. Its totient is φ = 1815198.

The previous prime is 3630397. The next prime is 3630433. The reversal of 3630398 is 8930363.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907598 + ... + 907601.

It is an arithmetic number, because the mean of its divisors is an integer number (1361400).

Almost surely, 2^3630398 is an apocalyptic number.

3630398 is a deficient number, since it is larger than the sum of its proper divisors (1815202).

3630398 is a wasteful number, since it uses less digits than its factorization.

3630398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815201.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3630398 is about 1905.3603333753. The cubic root of 3630398 is about 153.6920534272.

The spelling of 3630398 in words is "three million, six hundred thirty thousand, three hundred ninety-eight".