103576991 has 4 divisors (see below), whose sum is σ = 118373712. Its totient is φ = 88780272.

The previous prime is 103576987. The next prime is 103577051. The reversal of 103576991 is 199675301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 199675301 = 7 ⋅28525043.

It is not a de Polignac number, because 103576991 - 2² = 103576987 is a prime.

It is a super-3 number, since 3×103576991³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103572991) 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, 7398350 + ... + 7398363.

It is an arithmetic number, because the mean of its divisors is an integer number (29593428).

Almost surely, 2^103576991 is an apocalyptic number.

103576991 is a deficient number, since it is larger than the sum of its proper divisors (14796721).

103576991 is an equidigital number, since it uses as much as digits as its factorization.

103576991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796720.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 103576991 is about 10177.2781724781. The cubic root of 103576991 is about 469.6284841367.

The spelling of 103576991 in words is "one hundred three million, five hundred seventy-six thousand, nine hundred ninety-one".