390225859 has 8 divisors (see below), whose sum is σ = 394642080. Its totient is φ = 385817856.

The previous prime is 390225851. The next prime is 390225883. The reversal of 390225859 is 958522093.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 390225859 - 2³ = 390225851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390225851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190362 + ... + 192400.

It is an arithmetic number, because the mean of its divisors is an integer number (49330260).

Almost surely, 2^390225859 is an apocalyptic number.

390225859 is a deficient number, since it is larger than the sum of its proper divisors (4416221).

390225859 is a wasteful number, since it uses less digits than its factorization.

390225859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 390225859 is about 19754.1352379698. The cubic root of 390225859 is about 730.7553693579.

The spelling of 390225859 in words is "three hundred ninety million, two hundred twenty-five thousand, eight hundred fifty-nine".