3642998 has 16 divisors (see below), whose sum is σ = 5844960. Its totient is φ = 1696896.

The previous prime is 3642971. The next prime is 3643001. The reversal of 3642998 is 8992463.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (365310).

Almost surely, 2^3642998 is an apocalyptic number.

3642998 is a deficient number, since it is larger than the sum of its proper divisors (2201962).

3642998 is a wasteful number, since it uses less digits than its factorization.

3642998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its digits is 93312, while the sum is 41.

The square root of 3642998 is about 1908.6639306070. The cubic root of 3642998 is about 153.8696541409.

It can be divided in two parts, 36 and 42998, that added together give a palindrome (43034).

The spelling of 3642998 in words is "three million, six hundred forty-two thousand, nine hundred ninety-eight".