921825954 has 32 divisors (see below), whose sum is σ = 2341146240. Its totient is φ = 263378736.

The previous prime is 921825953. The next prime is 921825991. The reversal of 921825954 is 459528129.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (921825953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218969 + ... + 1219724.

It is an arithmetic number, because the mean of its divisors is an integer number (73160820).

Almost surely, 2^921825954 is an apocalyptic number.

921825954 is an abundant number, since it is smaller than the sum of its proper divisors (1419320286).

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

921825954 is a wasteful number, since it uses less digits than its factorization.

921825954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438711 (or 2438705 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 921825954 is about 30361.5868162387. The cubic root of 921825954 is about 973.2318439196.

The spelling of 921825954 in words is "nine hundred twenty-one million, eight hundred twenty-five thousand, nine hundred fifty-four".