904949984 has 48 divisors (see below), whose sum is σ = 1922075568. Its totient is φ = 417810432.

The previous prime is 904949963. The next prime is 904949989. The reversal of 904949984 is 489949409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904949989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13139 + ... + 44525.

It is an arithmetic number, because the mean of its divisors is an integer number (40043241).

Almost surely, 2^904949984 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 904949984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961037784).

904949984 is an abundant number, since it is smaller than the sum of its proper divisors (1017125584).

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

904949984 is a wasteful number, since it uses less digits than its factorization.

904949984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31467 (or 31459 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 904949984 is about 30082.3866074486. The cubic root of 904949984 is about 967.2562075392.

The spelling of 904949984 in words is "nine hundred four million, nine hundred forty-nine thousand, nine hundred eighty-four".