1930979088 has 240 divisors, whose sum is σ = 5955063296. Its totient is φ = 604661760.

The previous prime is 1930979069. The next prime is 1930979129. The reversal of 1930979088 is 8809790391.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4459320 + ... + 4459752.

Almost surely, 2^1930979088 is an apocalyptic number.

1930979088 is a gapful number since it is divisible by the number (18) 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 1930979088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977531648).

1930979088 is an abundant number, since it is smaller than the sum of its proper divisors (4024084208).

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

1930979088 is a wasteful number, since it uses less digits than its factorization.

1930979088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 1930979088 is about 43942.9071409710. The cubic root of 1930979088 is about 1245.2575690062.

The spelling of 1930979088 in words is "one billion, nine hundred thirty million, nine hundred seventy-nine thousand, eighty-eight".