3645174 has 32 divisors (see below), whose sum is σ = 8316000. Its totient is φ = 1055232.

The previous prime is 3645151. The next prime is 3645193. The reversal of 3645174 is 4715463.

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, 49 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (259875).

Almost surely, 2^3645174 is an apocalyptic number.

3645174 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4158000).

3645174 is an abundant number, since it is smaller than the sum of its proper divisors (4670826).

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

3645174 is a wasteful number, since it uses less digits than its factorization.

3645174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784.

The product of its digits is 10080, while the sum is 30.

The square root of 3645174 is about 1909.2338777635. The cubic root of 3645174 is about 153.9002840164.

The spelling of 3645174 in words is "three million, six hundred forty-five thousand, one hundred seventy-four".