3640798 has 24 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 1540224.

The previous prime is 3640789. The next prime is 3640801. The reversal of 3640798 is 8970463.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9315 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^3640798 is an apocalyptic number.

3640798 is a deficient number, since it is larger than the sum of its proper divisors (2794274).

3640798 is a wasteful number, since it uses less digits than its factorization.

3640798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3640798 is about 1908.0875241980. The cubic root of 3640798 is about 153.8386740338.

The spelling of 3640798 in words is "three million, six hundred forty thousand, seven hundred ninety-eight".