28466394 has 32 divisors (see below), whose sum is σ = 63792576. Its totient is φ = 8392320.

The previous prime is 28466363. The next prime is 28466407. The reversal of 28466394 is 49366482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3387 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (1993518).

Almost surely, 2^28466394 is an apocalyptic number.

28466394 is an abundant number, since it is smaller than the sum of its proper divisors (35326182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28466394 is a wasteful number, since it uses less digits than its factorization.

28466394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710.

The product of its digits is 248832, while the sum is 42.

The square root of 28466394 is about 5335.3907073428. The cubic root of 28466394 is about 305.3356298122.

The spelling of 28466394 in words is "twenty-eight million, four hundred sixty-six thousand, three hundred ninety-four".