83903925 has 108 divisors (see below), whose sum is σ = 173590080. Its totient is φ = 35642880.

The previous prime is 83903861. The next prime is 83903927. The reversal of 83903925 is 52930938.

It is not a de Polignac number, because 83903925 - 2⁶ = 83903861 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83903927) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1062036 + ... + 1062114.

Almost surely, 2^83903925 is an apocalyptic number.

83903925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83903925 is an abundant number, since it is smaller than the sum of its proper divisors (89686155).

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

83903925 is a wasteful number, since it uses less digits than its factorization.

83903925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 83903925 is about 9159.9085694127. The cubic root of 83903925 is about 437.7848811241.

The spelling of 83903925 in words is "eighty-three million, nine hundred three thousand, nine hundred twenty-five".