100009492 has 12 divisors (see below), whose sum is σ = 190927296. Its totient is φ = 45458840.

The previous prime is 100009477. The next prime is 100009499. The reversal of 100009492 is 294900001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100009499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136428 + ... + 1136515.

It is an arithmetic number, because the mean of its divisors is an integer number (15910608).

Almost surely, 2^100009492 is an apocalyptic number.

It is an amenable number.

100009492 is a deficient number, since it is larger than the sum of its proper divisors (90917804).

100009492 is a wasteful number, since it uses less digits than its factorization.

100009492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272958 (or 2272956 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 100009492 is about 10000.4745887383. The cubic root of 100009492 is about 464.1735688837.

Adding to 100009492 its reverse (294900001), we get a palindrome (394909493).

The spelling of 100009492 in words is "one hundred million, nine thousand, four hundred ninety-two".