238490807 has 8 divisors (see below), whose sum is σ = 252705600. Its totient is φ = 224296704.

The previous prime is 238490797. The next prime is 238490839. The reversal of 238490807 is 708094832.

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 238490807 - 2¹² = 238486711 is a prime.

It is a super-2 number, since 2×238490807² = 113755730047022498, 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 (238490107) 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, 22994 + ... + 31712.

It is an arithmetic number, because the mean of its divisors is an integer number (31588200).

Almost surely, 2^238490807 is an apocalyptic number.

238490807 is a deficient number, since it is larger than the sum of its proper divisors (14214793).

238490807 is a wasteful number, since it uses less digits than its factorization.

238490807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 238490807 is about 15443.1475742479. The cubic root of 238490807 is about 620.1411463248.

The spelling of 238490807 in words is "two hundred thirty-eight million, four hundred ninety thousand, eight hundred seven".