103991376 has 40 divisors (see below), whose sum is σ = 269020480. Its totient is φ = 34615296.

The previous prime is 103991369. The next prime is 103991383. The reversal of 103991376 is 673199301.

It is an interprime number because it is at equal distance from previous prime (103991369) and next prime (103991383).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54405 + ... + 56283.

It is an arithmetic number, because the mean of its divisors is an integer number (6725512).

Almost surely, 2^103991376 is an apocalyptic number.

103991376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103991376 is an abundant number, since it is smaller than the sum of its proper divisors (165029104).

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

103991376 is a wasteful number, since it uses less digits than its factorization.

103991376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 103991376 is about 10197.6161920323. The cubic root of 103991376 is about 470.2539385244.

The spelling of 103991376 in words is "one hundred three million, nine hundred ninety-one thousand, three hundred seventy-six".