28944694 has 4 divisors (see below), whose sum is σ = 43417044. Its totient is φ = 14472346.

The previous prime is 28944691. The next prime is 28944701. The reversal of 28944694 is 49644982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28944691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7236172 + ... + 7236175.

It is an arithmetic number, because the mean of its divisors is an integer number (10854261).

Almost surely, 2^28944694 is an apocalyptic number.

28944694 is a deficient number, since it is larger than the sum of its proper divisors (14472350).

28944694 is a wasteful number, since it uses less digits than its factorization.

28944694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472349.

The product of its digits is 497664, while the sum is 46.

The square root of 28944694 is about 5380.0273233507. The cubic root of 28944694 is about 307.0362507459.

The spelling of 28944694 in words is "twenty-eight million, nine hundred forty-four thousand, six hundred ninety-four".