15490849 has 8 divisors (see below), whose sum is σ = 16944480. Its totient is φ = 14044800.

The previous prime is 15490847. The next prime is 15490861. The reversal of 15490849 is 94809451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15490849 - 2¹ = 15490847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15490841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 6289.

It is an arithmetic number, because the mean of its divisors is an integer number (2118060).

Almost surely, 2^15490849 is an apocalyptic number.

It is an amenable number.

15490849 is a deficient number, since it is larger than the sum of its proper divisors (1453631).

15490849 is a wasteful number, since it uses less digits than its factorization.

15490849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 15490849 is about 3935.8415872593. The cubic root of 15490849 is about 249.2824705763.

The spelling of 15490849 in words is "fifteen million, four hundred ninety thousand, eight hundred forty-nine".