99769320 has 320 divisors, whose sum is σ = 395176320. Its totient is φ = 22104576.

The previous prime is 99769259. The next prime is 99769333. The reversal of 99769320 is 2396799.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1201999 + ... + 1202081.

It is an arithmetic number, because the mean of its divisors is an integer number (1234926).

Almost surely, 2^99769320 is an apocalyptic number.

99769320 is a gapful number since it is divisible by the number (90) 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 99769320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197588160).

99769320 is an abundant number, since it is smaller than the sum of its proper divisors (295407000).

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

99769320 is a wasteful number, since it uses less digits than its factorization.

99769320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 99769320 is about 9988.4593406591. The cubic root of 99769320 is about 463.8017013338.

The spelling of 99769320 in words is "ninety-nine million, seven hundred sixty-nine thousand, three hundred twenty".