373621 has 2 divisors, whose sum is σ = 373622. Its totient is φ = 373620.

The previous prime is 373613. The next prime is 373631. The reversal of 373621 is 126373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 1521 = 610^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 373621 - 2³ = 373613 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 373592 and 373601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186810 + 186811.

It is an arithmetic number, because the mean of its divisors is an integer number (186811).

2³⁷³⁶²¹ is an apocalyptic number.

It is an amenable number.

373621 is a deficient number, since it is larger than the sum of its proper divisors (1).

373621 is an equidigital number, since it uses as much as digits as its factorization.

373621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 373621 is about 611.2454498808. The cubic root of 373621 is about 72.0239760686.

Adding to 373621 its reverse (126373), we get a palindrome (499994).

The spelling of 373621 in words is "three hundred seventy-three thousand, six hundred twenty-one".