15490046 has 32 divisors (see below), whose sum is σ = 27984096. Its totient is φ = 6336000.

The previous prime is 15490039. The next prime is 15490081. The reversal of 15490046 is 64009451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11066 + ... + 12386.

It is an arithmetic number, because the mean of its divisors is an integer number (874503).

Almost surely, 2^15490046 is an apocalyptic number.

15490046 is a deficient number, since it is larger than the sum of its proper divisors (12494050).

15490046 is a wasteful number, since it uses less digits than its factorization.

15490046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 15490046 is about 3935.7395747178. The cubic root of 15490046 is about 249.2781631455.

Adding to 15490046 its reverse (64009451), we get a palindrome (79499497).

The spelling of 15490046 in words is "fifteen million, four hundred ninety thousand, forty-six".