28415194 has 32 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 12929280.

The previous prime is 28415183. The next prime is 28415201. The reversal of 28415194 is 49151482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 190632 + ... + 190780.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000).

Almost surely, 2^28415194 is an apocalyptic number.

28415194 is a deficient number, since it is larger than the sum of its proper divisors (18240806).

28415194 is a wasteful number, since it uses less digits than its factorization.

28415194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 11520, while the sum is 34.

The square root of 28415194 is about 5330.5903988208. The cubic root of 28415194 is about 305.1524598341.

The spelling of 28415194 in words is "twenty-eight million, four hundred fifteen thousand, one hundred ninety-four".