28427046 has 16 divisors (see below), whose sum is σ = 56925504. Its totient is φ = 9463784.

The previous prime is 28427039. The next prime is 28427053. The reversal of 28427046 is 64072482.

It is an interprime number because it is at equal distance from previous prime (28427039) and next prime (28427053).

It is a super-2 number, since 2×28427046² = 1616193888572232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28426998 and 28427016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (3557844).

Almost surely, 2^28427046 is an apocalyptic number.

28427046 is an abundant number, since it is smaller than the sum of its proper divisors (28498458).

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

28427046 is a wasteful number, since it uses less digits than its factorization.

28427046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 28427046 is about 5331.7019796684. The cubic root of 28427046 is about 305.1948803812.

The spelling of 28427046 in words is "twenty-eight million, four hundred twenty-seven thousand, forty-six".