28612941 has 8 divisors (see below), whose sum is σ = 43600704. Its totient is φ = 16350240.

The previous prime is 28612849. The next prime is 28612967. The reversal of 28612941 is 14921682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28612941 - 2⁷ = 28612813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28612541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681240 + ... + 681281.

It is an arithmetic number, because the mean of its divisors is an integer number (5450088).

Almost surely, 2^28612941 is an apocalyptic number.

28612941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28612941 is a deficient number, since it is larger than the sum of its proper divisors (14987763).

28612941 is a wasteful number, since it uses less digits than its factorization.

28612941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362531.

The product of its digits is 6912, while the sum is 33.

The square root of 28612941 is about 5349.1065609128. The cubic root of 28612941 is about 305.8586963467.

The spelling of 28612941 in words is "twenty-eight million, six hundred twelve thousand, nine hundred forty-one".