9952240 has 40 divisors (see below), whose sum is σ = 23891328. Its totient is φ = 3851520.

The previous prime is 9952213. The next prime is 9952253. The reversal of 9952240 is 422599.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam 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, 474 + ... + 4486.

Almost surely, 2^9952240 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 9952240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11945664).

9952240 is an abundant number, since it is smaller than the sum of its proper divisors (13939088).

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

9952240 is a wasteful number, since it uses less digits than its factorization.

9952240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9952240 is about 3154.7171030062. The cubic root of 9952240 is about 215.0999355134.

The spelling of 9952240 in words is "nine million, nine hundred fifty-two thousand, two hundred forty".