9257490 has 80 divisors (see below), whose sum is σ = 27181440. Its totient is φ = 2242080.

The previous prime is 9257489. The next prime is 9257491. The reversal of 9257490 is 947529.

It is an interprime number because it is at equal distance from previous prime (9257489) and next prime (9257491).

It is a super-2 number, since 2×9257490² = 171402242200200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9257491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8391 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (339768).

Almost surely, 2^9257490 is an apocalyptic number.

9257490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9257490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13590720).

9257490 is an abundant number, since it is smaller than the sum of its proper divisors (17923950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9257490 is a wasteful number, since it uses less digits than its factorization.

9257490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9257490 is about 3042.6123644000. The cubic root of 9257490 is about 209.9734660353.

The spelling of 9257490 in words is "nine million, two hundred fifty-seven thousand, four hundred ninety".