85603403 has 8 divisors (see below), whose sum is σ = 88278528. Its totient is φ = 82963944.

The previous prime is 85603387. The next prime is 85603409. The reversal of 85603403 is 30430658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85603403 - 2⁴ = 85603387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85603409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 13682.

It is an arithmetic number, because the mean of its divisors is an integer number (11034816).

Almost surely, 2^85603403 is an apocalyptic number.

85603403 is a deficient number, since it is larger than the sum of its proper divisors (2675125).

85603403 is a wasteful number, since it uses less digits than its factorization.

85603403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 85603403 is about 9252.2107087982. The cubic root of 85603403 is about 440.7209307284.

The spelling of 85603403 in words is "eighty-five million, six hundred three thousand, four hundred three".