15340000 has 120 divisors (see below), whose sum is σ = 41330520. Its totient is φ = 5568000.

The previous prime is 15339971. The next prime is 15340007. The reversal of 15340000 is 4351.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15340007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259971 + ... + 260029.

It is an arithmetic number, because the mean of its divisors is an integer number (344421).

Almost surely, 2^15340000 is an apocalyptic number.

15340000 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 15340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20665260).

15340000 is an abundant number, since it is smaller than the sum of its proper divisors (25990520).

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

15340000 is an equidigital number, since it uses as much as digits as its factorization.

15340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 15340000 is about 3916.6312055132. The cubic root of 15340000 is about 248.4706635976.

Adding to 15340000 its reverse (4351), we get a palindrome (15344351).

The spelling of 15340000 in words is "fifteen million, three hundred forty thousand".