3615401 has 4 divisors (see below), whose sum is σ = 3740100. Its totient is φ = 3490704.

The previous prime is 3615389. The next prime is 3615413. The reversal of 3615401 is 1045163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1045163 = 7 ⋅149309.

It is an interprime number because it is at equal distance from previous prime (3615389) and next prime (3615413).

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 1795600 = 1349^2 + 1340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3615401 is a prime.

It is a super-2 number, since 2×3615401² = 26142248781602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3615431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62306 + ... + 62363.

It is an arithmetic number, because the mean of its divisors is an integer number (935025).

Almost surely, 2^3615401 is an apocalyptic number.

It is an amenable number.

3615401 is a deficient number, since it is larger than the sum of its proper divisors (124699).

3615401 is a wasteful number, since it uses less digits than its factorization.

3615401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124698.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3615401 is about 1901.4207845714. The cubic root of 3615401 is about 153.4801298432.

The spelling of 3615401 in words is "three million, six hundred fifteen thousand, four hundred one".