99052380 has 144 divisors (see below), whose sum is σ = 346644480. Its totient is φ = 22425984.

The previous prime is 99052357. The next prime is 99052403. The reversal of 99052380 is 8325099.

It is an interprime number because it is at equal distance from previous prime (99052357) and next prime (99052403).

It is a super-2 number, since 2×99052380² = 19622747967328800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159711 + ... + 160329.

Almost surely, 2^99052380 is an apocalyptic number.

99052380 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 99052380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173322240).

99052380 is an abundant number, since it is smaller than the sum of its proper divisors (247592100).

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

99052380 is a wasteful number, since it uses less digits than its factorization.

99052380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 99052380 is about 9952.5062170290. The cubic root of 99052380 is about 462.6880734982.

The spelling of 99052380 in words is "ninety-nine million, fifty-two thousand, three hundred eighty".