949837840 has 80 divisors (see below), whose sum is σ = 2529838080. Its totient is φ = 324887040.

The previous prime is 949837813. The next prime is 949837853. The reversal of 949837840 is 48738949.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266470 + ... + 270010.

It is an arithmetic number, because the mean of its divisors is an integer number (31622976).

Almost surely, 2^949837840 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 949837840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264919040).

949837840 is an abundant number, since it is smaller than the sum of its proper divisors (1580000240).

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

949837840 is a wasteful number, since it uses less digits than its factorization.

949837840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 949837840 is about 30819.4393200136. The cubic root of 949837840 is about 982.9916356265.

The spelling of 949837840 in words is "nine hundred forty-nine million, eight hundred thirty-seven thousand, eight hundred forty".