930521982 has 32 divisors (see below), whose sum is σ = 2023676928. Its totient is φ = 283532256.

The previous prime is 930521959. The next prime is 930521987. The reversal of 930521982 is 289125039.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 930521982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930521987) 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, 49878 + ... + 65945.

It is an arithmetic number, because the mean of its divisors is an integer number (63239904).

Almost surely, 2^930521982 is an apocalyptic number.

930521982 is an abundant number, since it is smaller than the sum of its proper divisors (1093154946).

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

930521982 is a wasteful number, since it uses less digits than its factorization.

930521982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115944.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 930521982 is about 30504.4583954543. The cubic root of 930521982 is about 976.2825923782.

The spelling of 930521982 in words is "nine hundred thirty million, five hundred twenty-one thousand, nine hundred eighty-two".