28469946 has 32 divisors (see below), whose sum is σ = 58824000. Its totient is φ = 9179136.

The previous prime is 28469939. The next prime is 28469953. The reversal of 28469946 is 64996482.

It is an interprime number because it is at equal distance from previous prime (28469939) and next prime (28469953).

It is a junction number, because it is equal to n+sod(n) for n = 28469895 and 28469904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56805 + ... + 57303.

It is an arithmetic number, because the mean of its divisors is an integer number (1838250).

Almost surely, 2^28469946 is an apocalyptic number.

28469946 is an abundant number, since it is smaller than the sum of its proper divisors (30354054).

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

28469946 is a wasteful number, since it uses less digits than its factorization.

28469946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 746496, while the sum is 48.

The square root of 28469946 is about 5335.7235685519. The cubic root of 28469946 is about 305.3483290797.

The spelling of 28469946 in words is "twenty-eight million, four hundred sixty-nine thousand, nine hundred forty-six".