900949 has 16 divisors (see below), whose sum is σ = 1116288. Its totient is φ = 709632.

The previous prime is 900937. The next prime is 900959. The reversal of 900949 is 949009.

It is not a de Polignac number, because 900949 - 2⁵ = 900917 is a prime.

900949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 900949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900929) 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, 7917 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (69768).

2⁹⁰⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

900949 is a deficient number, since it is larger than the sum of its proper divisors (215339).

900949 is a wasteful number, since it uses less digits than its factorization.

900949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 900949 is about 949.1833331870. The cubic root of 900949 is about 96.5828617039.

It can be divided in two parts, 900 and 949, that added together give a square (1849 = 43²).

The spelling of 900949 in words is "nine hundred thousand, nine hundred forty-nine".