85690049 has 8 divisors (see below), whose sum is σ = 86745600. Its totient is φ = 84641200.

The previous prime is 85690037. The next prime is 85690063. The reversal of 85690049 is 94009658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85690049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85689988 and 85690015.

It is not an unprimeable number, because it can be changed into a prime (85690009) 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, 26954 + ... + 29964.

It is an arithmetic number, because the mean of its divisors is an integer number (10843200).

Almost surely, 2^85690049 is an apocalyptic number.

It is an amenable number.

85690049 is a deficient number, since it is larger than the sum of its proper divisors (1055551).

85690049 is a wasteful number, since it uses less digits than its factorization.

85690049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 85690049 is about 9256.8919730112. The cubic root of 85690049 is about 440.8695768013.

The spelling of 85690049 in words is "eighty-five million, six hundred ninety thousand, forty-nine".