242599390 has 16 divisors (see below), whose sum is σ = 476377200. Its totient is φ = 88217920.

The previous prime is 242599387. The next prime is 242599411. The reversal of 242599390 is 93995242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102615 + ... + 1102834.

It is an arithmetic number, because the mean of its divisors is an integer number (29773575).

Almost surely, 2^242599390 is an apocalyptic number.

242599390 is a deficient number, since it is larger than the sum of its proper divisors (233777810).

242599390 is a wasteful number, since it uses less digits than its factorization.

242599390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205467.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 242599390 is about 15575.6023960552. The cubic root of 242599390 is about 623.6820355049.

The spelling of 242599390 in words is "two hundred forty-two million, five hundred ninety-nine thousand, three hundred ninety".