900079 has 4 divisors (see below), whose sum is σ = 904176. Its totient is φ = 895984.

The previous prime is 900061. The next prime is 900089. The reversal of 900079 is 970009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970009 = 311 ⋅3119.

It is a cyclic number.

It is not a de Polignac number, because 900079 - 2¹³ = 891887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900019) 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, 1699 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

2⁹⁰⁰⁰⁷⁹ is an apocalyptic number.

900079 is a deficient number, since it is larger than the sum of its proper divisors (4097).

900079 is a wasteful number, since it uses less digits than its factorization.

900079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 900079 is about 948.7249337927. The cubic root of 900079 is about 96.5517633283.

The spelling of 900079 in words is "nine hundred thousand, seventy-nine".