1045213984 has 24 divisors (see below), whose sum is σ = 2107957068. Its totient is φ = 509859840.

The previous prime is 1045213957. The next prime is 1045213987. The reversal of 1045213984 is 4893125401.

It can be written as a sum of positive squares in 2 ways, for example, as 882090000 + 163123984 = 29700^2 + 12772^2 .

It is not an unprimeable number, because it can be changed into a prime (1045213987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397017 + ... + 399640.

Almost surely, 2^1045213984 is an apocalyptic number.

It is an amenable number.

1045213984 is an abundant number, since it is smaller than the sum of its proper divisors (1062743084).

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

1045213984 is an equidigital number, since it uses as much as digits as its factorization.

1045213984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796708 (or 796700 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1045213984 is about 32329.7693156014. The cubic root of 1045213984 is about 1014.8497222247.

The spelling of 1045213984 in words is "one billion, forty-five million, two hundred thirteen thousand, nine hundred eighty-four".