920835249 has 8 divisors (see below), whose sum is σ = 1234640160. Its totient is φ = 610460256.

The previous prime is 920835241. The next prime is 920835269. The reversal of 920835249 is 942538029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920835249 - 2³ = 920835241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920835249.

It is not an unprimeable number, because it can be changed into a prime (920835241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856852 + ... + 857925.

It is an arithmetic number, because the mean of its divisors is an integer number (154330020).

Almost surely, 2^920835249 is an apocalyptic number.

It is an amenable number.

920835249 is a deficient number, since it is larger than the sum of its proper divisors (313804911).

920835249 is a wasteful number, since it uses less digits than its factorization.

920835249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714959.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 920835249 is about 30345.2673245763. The cubic root of 920835249 is about 972.8830682945.

The spelling of 920835249 in words is "nine hundred twenty million, eight hundred thirty-five thousand, two hundred forty-nine".