28430046 has 24 divisors (see below), whose sum is σ = 62381280. Its totient is φ = 9356256.

The previous prime is 28430029. The next prime is 28430089. The reversal of 28430046 is 64003482.

It is a Curzon 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, 8575 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (2599220).

Almost surely, 2^28430046 is an apocalyptic number.

28430046 is an abundant number, since it is smaller than the sum of its proper divisors (33951234).

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

28430046 is a wasteful number, since it uses less digits than its factorization.

28430046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20080 (or 20077 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 28430046 is about 5331.9833083010. The cubic root of 28430046 is about 305.2056160780.

The spelling of 28430046 in words is "twenty-eight million, four hundred thirty thousand, forty-six".