28412980 has 24 divisors (see below), whose sum is σ = 62808480. Its totient is φ = 10766880.

The previous prime is 28412977. The next prime is 28413029. The reversal of 28412980 is 8921482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37006 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (2617020).

Almost surely, 2^28412980 is an apocalyptic number.

28412980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28412980 is an abundant number, since it is smaller than the sum of its proper divisors (34395500).

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

28412980 is a wasteful number, since it uses less digits than its factorization.

28412980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74799 (or 74797 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28412980 is about 5330.3827254710. The cubic root of 28412980 is about 305.1445342023.

It can be divided in two parts, 28412 and 980, that added together give a palindrome (29392).

The spelling of 28412980 in words is "twenty-eight million, four hundred twelve thousand, nine hundred eighty".