86890403 has 4 divisors (see below), whose sum is σ = 87049800. Its totient is φ = 86731008.

The previous prime is 86890399. The next prime is 86890411. The reversal of 86890403 is 30409868.

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 86890403 - 2² = 86890399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86890423) 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, 78878 + ... + 79971.

It is an arithmetic number, because the mean of its divisors is an integer number (21762450).

Almost surely, 2^86890403 is an apocalyptic number.

86890403 is a deficient number, since it is larger than the sum of its proper divisors (159397).

86890403 is a wasteful number, since it uses less digits than its factorization.

86890403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159396.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86890403 is about 9321.5021858067. The cubic root of 86890403 is about 442.9186190312.

The spelling of 86890403 in words is "eighty-six million, eight hundred ninety thousand, four hundred three".