900930 has 32 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 235712.

The previous prime is 900929. The next prime is 900931. The reversal of 900930 is 39009.

It is an interprime number because it is at equal distance from previous prime (900929) and next prime (900931).

It is a junction number, because it is equal to n+sod(n) for n = 900897 and 900906.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900930.

It is not an unprimeable number, because it can be changed into a prime (900931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516 + ... + 2024.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2⁹⁰⁰⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101600).

900930 is an abundant number, since it is smaller than the sum of its proper divisors (1302270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

900930 is a wasteful number, since it uses less digits than its factorization.

900930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 900930 is about 949.1733245304. The cubic root of 900930 is about 96.5821827578.

Adding to 900930 its reverse (39009), we get a palindrome (939939).

It can be divided in two parts, 900 and 930, that added together give a triangular number (1830 = T₆₀).

The spelling of 900930 in words is "nine hundred thousand, nine hundred thirty".