3621260 has 12 divisors (see below), whose sum is σ = 7604688. Its totient is φ = 1448496.

The previous prime is 3621257. The next prime is 3621263. The reversal of 3621260 is 621263.

3621260 = T₃₁₇ + T₃₁₈ + ... + T₃₇₆.

It is an interprime number because it is at equal distance from previous prime (3621257) and next prime (3621263).

It is a super-2 number, since 2×3621260² = 26227047975200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 181063 = 3621260 / (3 + 6 + 2 + 1 + 2 + 6 + 0).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3621263) 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, 90512 + ... + 90551.

It is an arithmetic number, because the mean of its divisors is an integer number (633724).

Almost surely, 2^3621260 is an apocalyptic number.

It is an amenable number.

3621260 is an abundant number, since it is smaller than the sum of its proper divisors (3983428).

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

3621260 is a wasteful number, since it uses less digits than its factorization.

3621260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181072 (or 181070 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3621260 is about 1902.9608508847. The cubic root of 3621260 is about 153.5629933815.

The spelling of 3621260 in words is "three million, six hundred twenty-one thousand, two hundred sixty".