15848949 has 4 divisors (see below), whose sum is σ = 21131936. Its totient is φ = 10565964.

The previous prime is 15848939. The next prime is 15848969. The reversal of 15848949 is 94984851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15848949 - 2¹⁶ = 15783413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15848898 and 15848907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15848929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641489 + ... + 2641494.

It is an arithmetic number, because the mean of its divisors is an integer number (5282984).

Almost surely, 2^15848949 is an apocalyptic number.

It is an amenable number.

15848949 is a deficient number, since it is larger than the sum of its proper divisors (5282987).

15848949 is an equidigital number, since it uses as much as digits as its factorization.

15848949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282986.

The product of its digits is 414720, while the sum is 48.

The square root of 15848949 is about 3981.0738501063. The cubic root of 15848949 is about 251.1887333598.

The spelling of 15848949 in words is "fifteen million, eight hundred forty-eight thousand, nine hundred forty-nine".