15438652 has 24 divisors (see below), whose sum is σ = 28939680. Its totient is φ = 7180800.

The previous prime is 15438641. The next prime is 15438653. The reversal of 15438652 is 25683451.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15438653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4777 + ... + 7327.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^15438652 is an apocalyptic number.

It is an amenable number.

15438652 is a deficient number, since it is larger than the sum of its proper divisors (13501028).

15438652 is a wasteful number, since it uses less digits than its factorization.

15438652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2659 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 15438652 is about 3929.2050086500. The cubic root of 15438652 is about 249.0021666129.

The spelling of 15438652 in words is "fifteen million, four hundred thirty-eight thousand, six hundred fifty-two".