9490239 has 24 divisors (see below), whose sum is σ = 15052752. Its totient is φ = 5713920.

The previous prime is 9490223. The next prime is 9490249. The reversal of 9490239 is 9320949.

It is not a de Polignac number, because 9490239 - 2⁴ = 9490223 is a prime.

9490239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9490249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25257 + ... + 25629.

It is an arithmetic number, because the mean of its divisors is an integer number (627198).

Almost surely, 2^9490239 is an apocalyptic number.

9490239 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9490239 is a deficient number, since it is larger than the sum of its proper divisors (5562513).

9490239 is a wasteful number, since it uses less digits than its factorization.

9490239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9490239 is about 3080.6231512472. The cubic root of 9490239 is about 211.7186177343.

The spelling of 9490239 in words is "nine million, four hundred ninety thousand, two hundred thirty-nine".