15047340 has 96 divisors (see below), whose sum is σ = 52545024. Its totient is φ = 3125760.

The previous prime is 15047339. The next prime is 15047399. The reversal of 15047340 is 4374051.

It is a self number, because there is not a number n which added to its sum of digits gives 15047340.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2992 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (547344).

Almost surely, 2^15047340 is an apocalyptic number.

15047340 is a gapful number since it is divisible by the number (10) 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 15047340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26272512).

15047340 is an abundant number, since it is smaller than the sum of its proper divisors (37497684).

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

15047340 is a wasteful number, since it uses less digits than its factorization.

15047340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 15047340 is about 3879.0900994950. The cubic root of 15047340 is about 246.8803804841.

Subtracting from 15047340 its reverse (4374051), we obtain a square (10673289 = 3267²).

The spelling of 15047340 in words is "fifteen million, forty-seven thousand, three hundred forty".