3620741 has 2 divisors, whose sum is σ = 3620742. Its totient is φ = 3620740.

The previous prime is 3620723. The next prime is 3620753. The reversal of 3620741 is 1470263.

3620741 = 1345² + 1346².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 1809025 = 1346^2 + 1345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620741 is a prime.

It is a Chen prime.

It is equal to p₂₅₈₁₃₄ and since 3620741 and 258134 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3620791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810370 + 1810371.

It is an arithmetic number, because the mean of its divisors is an integer number (1810371).

Almost surely, 2^3620741 is an apocalyptic number.

3620741 is the 1346-th centered square number.

It is an amenable number.

3620741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620741 is an equidigital number, since it uses as much as digits as its factorization.

3620741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3620741 is about 1902.8244795566. The cubic root of 3620741 is about 153.5556568005. Note that the first 3 decimals are identical.

The spelling of 3620741 in words is "three million, six hundred twenty thousand, seven hundred forty-one".