82903986 has 40 divisors (see below), whose sum is σ = 202658544. Its totient is φ = 25121880.

The previous prime is 82903981. The next prime is 82903993. The reversal of 82903986 is 68930928.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82903981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21480 + ... + 25043.

Almost surely, 2^82903986 is an apocalyptic number.

82903986 is an abundant number, since it is smaller than the sum of its proper divisors (119754558).

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

82903986 is a wasteful number, since it uses less digits than its factorization.

82903986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46548 (or 46539 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 82903986 is about 9105.1626015135. The cubic root of 82903986 is about 436.0388015015.

The spelling of 82903986 in words is "eighty-two million, nine hundred three thousand, nine hundred eighty-six".