390262093 has 8 divisors (see below), whose sum is σ = 421188768. Its totient is φ = 359464944.

The previous prime is 390262057. The next prime is 390262139.

390262093 is nontrivially palindromic in base 10.

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 390262093 - 2⁹ = 390261581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390262003) 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, 26071 + ... + 38212.

It is an arithmetic number, because the mean of its divisors is an integer number (52648596).

Almost surely, 2^390262093 is an apocalyptic number.

It is an amenable number.

390262093 is a deficient number, since it is larger than the sum of its proper divisors (30926675).

390262093 is a wasteful number, since it uses less digits than its factorization.

390262093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64763.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 390262093 is about 19755.0523411101. The cubic root of 390262093 is about 730.7779864910. Note that the first 3 decimals are identical.

The spelling of 390262093 in words is "three hundred ninety million, two hundred sixty-two thousand, ninety-three".