3620061 has 12 divisors (see below), whose sum is σ = 5253820. Its totient is φ = 2401920.

The previous prime is 3620053. The next prime is 3620069. The reversal of 3620061 is 1600263.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3620053) and next prime (3620069).

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 1279161 = 1530^2 + 1131^2 .

It is not a de Polignac number, because 3620061 - 2³ = 3620053 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1335 + ... + 3003.

Almost surely, 2^3620061 is an apocalyptic number.

It is an amenable number.

3620061 is a deficient number, since it is larger than the sum of its proper divisors (1633759).

3620061 is a wasteful number, since it uses less digits than its factorization.

3620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3620061 is about 1902.6457894206. The cubic root of 3620061 is about 153.5460432634.

The spelling of 3620061 in words is "three million, six hundred twenty thousand, sixty-one".