1082921364 has 108 divisors (see below), whose sum is σ = 3294263700. Its totient is φ = 298722816.

The previous prime is 1082921327. The next prime is 1082921401. The reversal of 1082921364 is 4631292801.

1082921364 is a `hidden beast` number, since 1 + 0 + 8 + 292 + 1 + 364 = 666.

It is an interprime number because it is at equal distance from previous prime (1082921327) and next prime (1082921401).

It can be written as a sum of positive squares in 2 ways, for example, as 866831364 + 216090000 = 29442^2 + 14700^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40572 + ... + 61740.

Almost surely, 2^1082921364 is an apocalyptic number.

1082921364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082921364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647131850).

1082921364 is an abundant number, since it is smaller than the sum of its proper divisors (2211342336).

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

1082921364 is a wasteful number, since it uses less digits than its factorization.

1082921364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222 (or 21210 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1082921364 is about 32907.7705717054. The cubic root of 1082921364 is about 1026.9098207360.

The spelling of 1082921364 in words is "one billion, eighty-two million, nine hundred twenty-one thousand, three hundred sixty-four".