99193740 has 48 divisors (see below), whose sum is σ = 282991968. Its totient is φ = 25951744.

The previous prime is 99193727. The next prime is 99193751. The reversal of 99193740 is 4739199.

It is a super-3 number, since 3×99193740³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99193692 and 99193701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12417 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (5895666).

Almost surely, 2^99193740 is an apocalyptic number.

It is an amenable number.

99193740 is an abundant number, since it is smaller than the sum of its proper divisors (183798228).

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

99193740 is a wasteful number, since it uses less digits than its factorization.

99193740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31258 (or 31256 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 99193740 is about 9959.6054138706. The cubic root of 99193740 is about 462.9080732491.

The spelling of 99193740 in words is "ninety-nine million, one hundred ninety-three thousand, seven hundred forty".