900826 has 4 divisors (see below), whose sum is σ = 1351242. Its totient is φ = 450412.

The previous prime is 900821. The next prime is 900863. The reversal of 900826 is 628009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 628009 = 151 ⋅4159.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 225 = 949^2 + 15^2 .

It is a super-2 number, since 2×900826² = 1622974964552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 900826.

It is not an unprimeable number, because it can be changed into a prime (900821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225205 + ... + 225208.

2⁹⁰⁰⁸²⁶ is an apocalyptic number.

900826 is a deficient number, since it is larger than the sum of its proper divisors (450416).

900826 is a wasteful number, since it uses less digits than its factorization.

900826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450415.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 900826 is about 949.1185384345. The cubic root of 900826 is about 96.5784662525.

The spelling of 900826 in words is "nine hundred thousand, eight hundred twenty-six".