107903440 has 20 divisors (see below), whose sum is σ = 250875684. Its totient is φ = 43161344.

The previous prime is 107903423. The next prime is 107903447. The reversal of 107903440 is 44309701.

It can be written as a sum of positive squares in 2 ways, for example, as 34012224 + 73891216 = 5832^2 + 8596^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 107903399 and 107903408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107903447) 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, 674317 + ... + 674476.

Almost surely, 2^107903440 is an apocalyptic number.

107903440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107903440 is an abundant number, since it is smaller than the sum of its proper divisors (142972244).

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

107903440 is a wasteful number, since it uses less digits than its factorization.

107903440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348806 (or 1348800 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 107903440 is about 10387.6580613726. The cubic root of 107903440 is about 476.0783478596.

The spelling of 107903440 in words is "one hundred seven million, nine hundred three thousand, four hundred forty".