15997034 has 8 divisors (see below), whose sum is σ = 25407108. Its totient is φ = 7528000.

The previous prime is 15997021. The next prime is 15997039. The reversal of 15997034 is 43079951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 21025 = 3997^2 + 145^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15997039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235217 + ... + 235284.

Almost surely, 2^15997034 is an apocalyptic number.

15997034 is a deficient number, since it is larger than the sum of its proper divisors (9410074).

15997034 is a wasteful number, since it uses less digits than its factorization.

15997034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470520.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 15997034 is about 3999.6292328165. The cubic root of 15997034 is about 251.9686384924.

The spelling of 15997034 in words is "fifteen million, nine hundred ninety-seven thousand, thirty-four".