99256542 has 48 divisors (see below), whose sum is σ = 249384576. Its totient is φ = 25779600.

The previous prime is 99256541. The next prime is 99256643. The reversal of 99256542 is 24565299.

It is a super-2 number, since 2×99256542² = 19703722259595528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 99256494 and 99256503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99256541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4684 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (5195512).

Almost surely, 2^99256542 is an apocalyptic number.

99256542 is an abundant number, since it is smaller than the sum of its proper divisors (150128034).

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

99256542 is a wasteful number, since it uses less digits than its factorization.

99256542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565 (or 19554 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 99256542 is about 9962.7577507435. The cubic root of 99256542 is about 463.0057454734.

The spelling of 99256542 in words is "ninety-nine million, two hundred fifty-six thousand, five hundred forty-two".