103997940 has 48 divisors (see below), whose sum is σ = 291939648. Its totient is φ = 27661824.

The previous prime is 103997939. The next prime is 103997953. The reversal of 103997940 is 49799301.

It is a junction number, because it is equal to n+sod(n) for n = 103997892 and 103997901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23979 + ... + 27981.

It is an arithmetic number, because the mean of its divisors is an integer number (6082076).

Almost surely, 2^103997940 is an apocalyptic number.

103997940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103997940 is an abundant number, since it is smaller than the sum of its proper divisors (187941708).

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

103997940 is a wasteful number, since it uses less digits than its factorization.

103997940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 103997940 is about 10197.9380268758. The cubic root of 103997940 is about 470.2638325561.

The spelling of 103997940 in words is "one hundred three million, nine hundred ninety-seven thousand, nine hundred forty".