49998320 has 80 divisors (see below), whose sum is σ = 125616960. Its totient is φ = 18450432.

The previous prime is 49998317. The next prime is 49998323. The reversal of 49998320 is 2389994.

It is an interprime number because it is at equal distance from previous prime (49998317) and next prime (49998323).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998323) 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, 52892 + ... + 53828.

It is an arithmetic number, because the mean of its divisors is an integer number (1570212).

Almost surely, 2^49998320 is an apocalyptic number.

49998320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49998320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62808480).

49998320 is an abundant number, since it is smaller than the sum of its proper divisors (75618640).

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

49998320 is a wasteful number, since it uses less digits than its factorization.

49998320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 49998320 is about 7070.9490169284. The cubic root of 49998320 is about 368.3990237025.

The spelling of 49998320 in words is "forty-nine million, nine hundred ninety-eight thousand, three hundred twenty".