15798340 has 24 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 6302688.

The previous prime is 15798337. The next prime is 15798373. The reversal of 15798340 is 4389751.

It is a self number, because there is not a number n which added to its sum of digits gives 15798340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9189 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (1386000).

Almost surely, 2^15798340 is an apocalyptic number.

15798340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15798340 is an abundant number, since it is smaller than the sum of its proper divisors (17465660).

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

15798340 is a wasteful number, since it uses less digits than its factorization.

15798340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 15798340 is about 3974.7125682243. The cubic root of 15798340 is about 250.9210822622.

The spelling of 15798340 in words is "fifteen million, seven hundred ninety-eight thousand, three hundred forty".