3620690 has 8 divisors (see below), whose sum is σ = 6517260. Its totient is φ = 1448272.

The previous prime is 3620689. The next prime is 3620693. The reversal of 3620690 is 960263.

It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 6889 = 1901^2 + 83^2 .

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

It is a super-2 number, since 2×3620690² = 26218792152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3620693) 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, 181025 + ... + 181044.

Almost surely, 2^3620690 is an apocalyptic number.

3620690 is a deficient number, since it is larger than the sum of its proper divisors (2896570).

3620690 is a wasteful number, since it uses less digits than its factorization.

3620690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362076.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3620690 is about 1902.8110783785. The cubic root of 3620690 is about 153.5549358270.

The spelling of 3620690 in words is "three million, six hundred twenty thousand, six hundred ninety".