3638460 has 48 divisors (see below), whose sum is σ = 11644416. Its totient is φ = 831552.

The previous prime is 3638419. The next prime is 3638473. The reversal of 3638460 is 648363.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3912 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (242592).

Almost surely, 2^3638460 is an apocalyptic number.

3638460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3638460 is an abundant number, since it is smaller than the sum of its proper divisors (8005956).

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

3638460 is a wasteful number, since it uses less digits than its factorization.

3638460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682 (or 8680 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3638460 is about 1907.4747704754. The cubic root of 3638460 is about 153.8057369471.

The spelling of 3638460 in words is "three million, six hundred thirty-eight thousand, four hundred sixty".