99419850 has 36 divisors (see below), whose sum is σ = 267109206. Its totient is φ = 26511840.

The previous prime is 99419839. The next prime is 99419857. The reversal of 99419850 is 5891499.

It can be written as a sum of positive squares in 3 ways, for example, as 67914081 + 31505769 = 8241^2 + 5613^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 99419796 and 99419805.

It is not an unprimeable number, because it can be changed into a prime (99419857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110017 + ... + 110916.

Almost surely, 2^99419850 is an apocalyptic number.

99419850 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99419850 is an abundant number, since it is smaller than the sum of its proper divisors (167689356).

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

99419850 is a wasteful number, since it uses less digits than its factorization.

99419850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220951 (or 220943 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 99419850 is about 9970.9503057632. The cubic root of 99419850 is about 463.2595360040.

It can be divided in two parts, 9941 and 9850, that added together give a palindrome (19791).

The spelling of 99419850 in words is "ninety-nine million, four hundred nineteen thousand, eight hundred fifty".