28990796 has 6 divisors (see below), whose sum is σ = 50733900. Its totient is φ = 14495396.

The previous prime is 28990783. The next prime is 28990811. The reversal of 28990796 is 69709982.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3623846 + ... + 3623853.

It is an arithmetic number, because the mean of its divisors is an integer number (8455650).

Almost surely, 2^28990796 is an apocalyptic number.

It is an amenable number.

28990796 is a deficient number, since it is larger than the sum of its proper divisors (21743104).

28990796 is a wasteful number, since it uses less digits than its factorization.

28990796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247703 (or 7247701 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 28990796 is about 5384.3101693717. The cubic root of 28990796 is about 307.1991761362.

The spelling of 28990796 in words is "twenty-eight million, nine hundred ninety thousand, seven hundred ninety-six".