28034396 has 36 divisors (see below), whose sum is σ = 53740512. Its totient is φ = 12789504.

The previous prime is 28034389. The next prime is 28034417. The reversal of 28034396 is 69343082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76205 + ... + 76571.

It is an arithmetic number, because the mean of its divisors is an integer number (1492792).

Almost surely, 2^28034396 is an apocalyptic number.

28034396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28034396 is a deficient number, since it is larger than the sum of its proper divisors (25706116).

28034396 is a wasteful number, since it uses less digits than its factorization.

28034396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28034396 is about 5294.7517411112. The cubic root of 28034396 is about 303.7831873960.

The spelling of 28034396 in words is "twenty-eight million, thirty-four thousand, three hundred ninety-six".