15421114 has 8 divisors (see below), whose sum is σ = 23270688. Its totient is φ = 7664220.

The previous prime is 15421111. The next prime is 15421117. The reversal of 15421114 is 41112451.

It is an interprime number because it is at equal distance from previous prime (15421111) and next prime (15421117).

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

It is a junction number, because it is equal to n+sod(n) for n = 15421091 and 15421100.

It is not an unprimeable number, because it can be changed into a prime (15421111) 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, 22752 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (2908836).

Almost surely, 2^15421114 is an apocalyptic number.

15421114 is a deficient number, since it is larger than the sum of its proper divisors (7849574).

15421114 is a wasteful number, since it uses less digits than its factorization.

15421114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46340.

The product of its digits is 160, while the sum is 19.

The square root of 15421114 is about 3926.9726253184. The cubic root of 15421114 is about 248.9078437266.

Adding to 15421114 its reverse (41112451), we get a palindrome (56533565).

The spelling of 15421114 in words is "fifteen million, four hundred twenty-one thousand, one hundred fourteen".