390142333 has 16 divisors (see below), whose sum is σ = 496955520. Its totient is φ = 298169856.

The previous prime is 390142321. The next prime is 390142343. The reversal of 390142333 is 333241093.

It is a cyclic number.

It is not a de Polignac number, because 390142333 - 2⁵ = 390142301 is a prime.

It is a super-2 number, since 2×390142333² = 304422079997365778, 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 (390142303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84016 + ... + 88537.

It is an arithmetic number, because the mean of its divisors is an integer number (31059720).

Almost surely, 2^390142333 is an apocalyptic number.

It is an amenable number.

390142333 is a deficient number, since it is larger than the sum of its proper divisors (106813187).

390142333 is a wasteful number, since it uses less digits than its factorization.

390142333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172596.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 390142333 is about 19752.0209852055. The cubic root of 390142333 is about 730.7032273937.

The spelling of 390142333 in words is "three hundred ninety million, one hundred forty-two thousand, three hundred thirty-three".