28046970 has 48 divisors (see below), whose sum is σ = 83341440. Its totient is φ = 6410592.

The previous prime is 28046927. The next prime is 28046981. The reversal of 28046970 is 7964082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21630 + ... + 22889.

It is an arithmetic number, because the mean of its divisors is an integer number (1736280).

Almost surely, 2^28046970 is an apocalyptic number.

28046970 is an abundant number, since it is smaller than the sum of its proper divisors (55294470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28046970 is a wasteful number, since it uses less digits than its factorization.

28046970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44539 (or 44536 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28046970 is about 5295.9390102228. The cubic root of 28046970 is about 303.8285982651.

The spelling of 28046970 in words is "twenty-eight million, forty-six thousand, nine hundred seventy".