902440 has 64 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 280320.

The previous prime is 902437. The next prime is 902449. The reversal of 902440 is 44209.

It is not an unprimeable number, because it can be changed into a prime (902449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁹⁰²⁴⁴⁰ 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 902440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080).

902440 is an abundant number, since it is smaller than the sum of its proper divisors (1637720).

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

902440 is a wasteful number, since it uses less digits than its factorization.

902440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 902440 is about 949.9684205278. The cubic root of 902440 is about 96.6361113628.

Adding to 902440 its reverse (44209), we get a palindrome (946649).

The spelling of 902440 in words is "nine hundred two thousand, four hundred forty".