99214740 has 96 divisors (see below), whose sum is σ = 310181760. Its totient is φ = 26327808.

The previous prime is 99214721. The next prime is 99214747. The reversal of 99214740 is 4741299.

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

It is a junction number, because it is equal to n+sod(n) for n = 99214695 and 99214704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99214747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168727 + ... + 169313.

It is an arithmetic number, because the mean of its divisors is an integer number (3231060).

Almost surely, 2^99214740 is an apocalyptic number.

99214740 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 99214740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155090880).

99214740 is an abundant number, since it is smaller than the sum of its proper divisors (210967020).

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

99214740 is a wasteful number, since it uses less digits than its factorization.

99214740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 99214740 is about 9960.6596167121. The cubic root of 99214740 is about 462.9407378897.

The spelling of 99214740 in words is "ninety-nine million, two hundred fourteen thousand, seven hundred forty".