28340336 has 10 divisors (see below), whose sum is σ = 54909432. Its totient is φ = 14170160.

The previous prime is 28340329. The next prime is 28340383. The reversal of 28340336 is 63304382.

It is a junction number, because it is equal to n+sod(n) for n = 28340299 and 28340308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885620 + ... + 885651.

Almost surely, 2^28340336 is an apocalyptic number.

It is an amenable number.

28340336 is a deficient number, since it is larger than the sum of its proper divisors (26569096).

28340336 is a wasteful number, since it uses less digits than its factorization.

28340336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771279 (or 1771273 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 28340336 is about 5323.5642195807. The cubic root of 28340336 is about 304.8842560014.

The spelling of 28340336 in words is "twenty-eight million, three hundred forty thousand, three hundred thirty-six".