920949 has 16 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 572400.

The previous prime is 920947. The next prime is 920951. The reversal of 920949 is 949029.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (920947) and next prime (920951).

It is not a de Polignac number, because 920949 - 2¹ = 920947 is a prime.

920949 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920949.

It is not an unprimeable number, because it can be changed into a prime (920947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6024 + ... + 6174.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2⁹²⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

920949 is a deficient number, since it is larger than the sum of its proper divisors (392331).

920949 is a wasteful number, since it uses less digits than its factorization.

920949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 920949 is about 959.6608776021. The cubic root of 920949 is about 97.2923126805.

The spelling of 920949 in words is "nine hundred twenty thousand, nine hundred forty-nine".