1520298798 has 32 divisors (see below), whose sum is σ = 3114013056. Its totient is φ = 494551008.

The previous prime is 1520298779. The next prime is 1520298817. The reversal of 1520298798 is 8978920251.

It is an interprime number because it is at equal distance from previous prime (1520298779) and next prime (1520298817).

It is a super-2 number, since 2×1520298798² = 4622616870400489608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1520298798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449040 + ... + 452412.

It is an arithmetic number, because the mean of its divisors is an integer number (97312908).

Almost surely, 2^1520298798 is an apocalyptic number.

1520298798 is an abundant number, since it is smaller than the sum of its proper divisors (1593714258).

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

1520298798 is a wasteful number, since it uses less digits than its factorization.

1520298798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 1520298798 is about 38991.0091944284. The cubic root of 1520298798 is about 1149.8547511576.

The spelling of 1520298798 in words is "one billion, five hundred twenty million, two hundred ninety-eight thousand, seven hundred ninety-eight".