28141629 has 8 divisors (see below), whose sum is σ = 38816160. Its totient is φ = 18114096.

The previous prime is 28141609. The next prime is 28141637. The reversal of 28141629 is 92614182.

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

It is not a de Polignac number, because 28141629 - 2⁷ = 28141501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28141629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28141609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161647 + ... + 161820.

It is an arithmetic number, because the mean of its divisors is an integer number (4852020).

Almost surely, 2^28141629 is an apocalyptic number.

28141629 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

28141629 is a deficient number, since it is larger than the sum of its proper divisors (10674531).

28141629 is a wasteful number, since it uses less digits than its factorization.

28141629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323499.

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

The square root of 28141629 is about 5304.8684243815. The cubic root of 28141629 is about 304.1700233403.

The spelling of 28141629 in words is "twenty-eight million, one hundred forty-one thousand, six hundred twenty-nine".