99493146 has 48 divisors (see below), whose sum is σ = 229051368. Its totient is φ = 31104000.

The previous prime is 99493109. The next prime is 99493151. The reversal of 99493146 is 64139499.

It can be written as a sum of positive squares in 4 ways, for example, as 98307225 + 1185921 = 9915^2 + 1089^2 .

It is a super-2 number, since 2×99493146² = 19797772201954632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165246 + ... + 165846.

Almost surely, 2^99493146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99493146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114525684).

99493146 is an abundant number, since it is smaller than the sum of its proper divisors (129558222).

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

99493146 is a wasteful number, since it uses less digits than its factorization.

99493146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1164 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 99493146 is about 9974.6251057371. The cubic root of 99493146 is about 463.3733520748.

The spelling of 99493146 in words is "ninety-nine million, four hundred ninety-three thousand, one hundred forty-six".