86249903 has 4 divisors (see below), whose sum is σ = 86289000. Its totient is φ = 86210808.

The previous prime is 86249899. The next prime is 86249927. The reversal of 86249903 is 30994268.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86249903 - 2² = 86249899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86249953) 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, 16028 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (21572250).

Almost surely, 2^86249903 is an apocalyptic number.

86249903 is a deficient number, since it is larger than the sum of its proper divisors (39097).

86249903 is a wasteful number, since it uses less digits than its factorization.

86249903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39096.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 86249903 is about 9287.0825881974. The cubic root of 86249903 is about 441.8276304881.

The spelling of 86249903 in words is "eighty-six million, two hundred forty-nine thousand, nine hundred three".