3657474 has 40 divisors (see below), whose sum is σ = 8311248. Its totient is φ = 1202040.

The previous prime is 3657457. The next prime is 3657497. The reversal of 3657474 is 4747563.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17229 + ... + 17439.

Almost surely, 2^3657474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3657474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155624).

3657474 is an abundant number, since it is smaller than the sum of its proper divisors (4653774).

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

3657474 is a wasteful number, since it uses less digits than its factorization.

3657474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 323 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 3657474 is about 1912.4523523476. The cubic root of 3657474 is about 154.0731928457.

The spelling of 3657474 in words is "three million, six hundred fifty-seven thousand, four hundred seventy-four".