99598950 has 192 divisors, whose sum is σ = 316051200. Its totient is φ = 22809600.

The previous prime is 99598927. The next prime is 99598973. The reversal of 99598950 is 5989599.

It is an interprime number because it is at equal distance from previous prime (99598927) and next prime (99598973).

It is a super-2 number, since 2×99598950² = 19839901682205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 281974 + ... + 282326.

It is an arithmetic number, because the mean of its divisors is an integer number (1646100).

Almost surely, 2^99598950 is an apocalyptic number.

99598950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99598950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158025600).

99598950 is an abundant number, since it is smaller than the sum of its proper divisors (216452250).

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

99598950 is a wasteful number, since it uses less digits than its factorization.

99598950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 54.

The square root of 99598950 is about 9979.9273544450. The cubic root of 99598950 is about 463.5375489317.

It can be divided in two parts, 9 and 9598950, that added together give a palindrome (9598959).

The spelling of 99598950 in words is "ninety-nine million, five hundred ninety-eight thousand, nine hundred fifty".