28941814 has 8 divisors (see below), whose sum is σ = 47359368. Its totient is φ = 13155360.

The previous prime is 28941779. The next prime is 28941823. The reversal of 28941814 is 41814982.

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

It is a super-2 number, since 2×28941814² = 1675257195221192, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 657747 + ... + 657790.

It is an arithmetic number, because the mean of its divisors is an integer number (5919921).

Almost surely, 2^28941814 is an apocalyptic number.

28941814 is a deficient number, since it is larger than the sum of its proper divisors (18417554).

28941814 is a wasteful number, since it uses less digits than its factorization.

28941814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315550.

The product of its digits is 18432, while the sum is 37.

The square root of 28941814 is about 5379.7596600592. The cubic root of 28941814 is about 307.0260670287.

The spelling of 28941814 in words is "twenty-eight million, nine hundred forty-one thousand, eight hundred fourteen".