3715945 has 8 divisors (see below), whose sum is σ = 4721544. Its totient is φ = 2797824.

The previous prime is 3715913. The next prime is 3715951. The reversal of 3715945 is 5495173.

It can be written as a sum of positive squares in 4 ways, for example, as 2036329 + 1679616 = 1427^2 + 1296^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3715945 - 2⁵ = 3715913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3715945.

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, 21774 + ... + 21943.

It is an arithmetic number, because the mean of its divisors is an integer number (590193).

Almost surely, 2^3715945 is an apocalyptic number.

It is an amenable number.

3715945 is a deficient number, since it is larger than the sum of its proper divisors (1005599).

3715945 is a wasteful number, since it uses less digits than its factorization.

3715945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43739.

The product of its digits is 18900, while the sum is 34.

The square root of 3715945 is about 1927.6786557930. The cubic root of 3715945 is about 154.8898975282.

The spelling of 3715945 in words is "three million, seven hundred fifteen thousand, nine hundred forty-five".