28994326 has 4 divisors (see below), whose sum is σ = 43491492. Its totient is φ = 14497162.

The previous prime is 28994321. The next prime is 28994363. The reversal of 28994326 is 62349982.

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 (28994321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7248580 + ... + 7248583.

It is an arithmetic number, because the mean of its divisors is an integer number (10872873).

Almost surely, 2^28994326 is an apocalyptic number.

28994326 is a deficient number, since it is larger than the sum of its proper divisors (14497166).

28994326 is a wasteful number, since it uses less digits than its factorization.

28994326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14497165.

The product of its digits is 186624, while the sum is 43.

The square root of 28994326 is about 5384.6379636889. The cubic root of 28994326 is about 307.2116441057.

It can be divided in two parts, 2899 and 4326, that added together give a square (7225 = 85²).

The spelling of 28994326 in words is "twenty-eight million, nine hundred ninety-four thousand, three hundred twenty-six".