390037 has 4 divisors (see below), whose sum is σ = 394156. Its totient is φ = 385920.

The previous prime is 390001. The next prime is 390043. The reversal of 390037 is 730093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86436 + 303601 = 294^2 + 551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390037 is a prime.

It is a super-2 number, since 2×390037² = 304257722738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390067) 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, 1914 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (98539).

2³⁹⁰⁰³⁷ is an apocalyptic number.

It is an amenable number.

390037 is a deficient number, since it is larger than the sum of its proper divisors (4119).

390037 is an equidigital number, since it uses as much as digits as its factorization.

390037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 390037 is about 624.5294228457. The cubic root of 390037 is about 73.0637461574.

The spelling of 390037 in words is "three hundred ninety thousand, thirty-seven".