990965248 has 80 divisors (see below), whose sum is σ = 2437031520. Its totient is φ = 392011776.

The previous prime is 990965219. The next prime is 990965263. The reversal of 990965248 is 842569099.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 990965195 and 990965204.

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, 35958 + ... + 57226.

It is an arithmetic number, because the mean of its divisors is an integer number (30462894).

Almost surely, 2^990965248 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 990965248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218515760).

990965248 is an abundant number, since it is smaller than the sum of its proper divisors (1446066272).

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

990965248 is a wasteful number, since it uses less digits than its factorization.

990965248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307 (or 21291 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 990965248 is about 31479.6005057243. The cubic root of 990965248 is about 996.9793005625.

It can be divided in two parts, 9909 and 65248, that added together give a palindrome (75157).

The spelling of 990965248 in words is "nine hundred ninety million, nine hundred sixty-five thousand, two hundred forty-eight".