920625949 has 4 divisors (see below), whose sum is σ = 927653760. Its totient is φ = 913598140.

The previous prime is 920625907. The next prime is 920625983. The reversal of 920625949 is 949526029.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 920625949 - 2¹¹ = 920623901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920625899 and 920625908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920625149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513709 + ... + 3513970.

It is an arithmetic number, because the mean of its divisors is an integer number (231913440).

Almost surely, 2^920625949 is an apocalyptic number.

It is an amenable number.

920625949 is a deficient number, since it is larger than the sum of its proper divisors (7027811).

920625949 is a wasteful number, since it uses less digits than its factorization.

920625949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027810.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 920625949 is about 30341.8184853842. The cubic root of 920625949 is about 972.8093526630.

The spelling of 920625949 in words is "nine hundred twenty million, six hundred twenty-five thousand, nine hundred forty-nine".