28825446 has 16 divisors (see below), whose sum is σ = 62085744. Its totient is φ = 8869344.

The previous prime is 28825427. The next prime is 28825469. The reversal of 28825446 is 64452882.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 184701 + ... + 184856.

It is an arithmetic number, because the mean of its divisors is an integer number (3880359).

Almost surely, 2^28825446 is an apocalyptic number.

28825446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28825446 is an abundant number, since it is smaller than the sum of its proper divisors (33260298).

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

28825446 is a wasteful number, since it uses less digits than its factorization.

28825446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369575.

The product of its digits is 122880, while the sum is 39.

The square root of 28825446 is about 5368.9334136307. The cubic root of 28825446 is about 306.6140218915.

The spelling of 28825446 in words is "twenty-eight million, eight hundred twenty-five thousand, four hundred forty-six".