9249240 has 288 divisors, whose sum is σ = 38208240. Its totient is φ = 1774080.

The previous prime is 9249221. The next prime is 9249263. The reversal of 9249240 is 429429.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9249198 and 9249207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 711474 + ... + 711486.

Almost surely, 2^9249240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9249240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19104120).

9249240 is an abundant number, since it is smaller than the sum of its proper divisors (28959000).

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

9249240 is a wasteful number, since it uses less digits than its factorization.

9249240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9249240 is about 3041.2563193523. The cubic root of 9249240 is about 209.9110734596.

The spelling of 9249240 in words is "nine million, two hundred forty-nine thousand, two hundred forty".