100317492 has 144 divisors (see below), whose sum is σ = 297024000. Its totient is φ = 28226880.

The previous prime is 100317491. The next prime is 100317509. The reversal of 100317492 is 294713001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100317491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504009 + ... + 504207.

Almost surely, 2^100317492 is an apocalyptic number.

100317492 is a gapful number since it is divisible by the number (12) 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 100317492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148512000).

100317492 is an abundant number, since it is smaller than the sum of its proper divisors (196706508).

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

100317492 is a wasteful number, since it uses less digits than its factorization.

100317492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 100317492 is about 10015.8620198164. The cubic root of 100317492 is about 464.6495868530.

The spelling of 100317492 in words is "one hundred million, three hundred seventeen thousand, four hundred ninety-two".