28141699 has 6 divisors (see below), whose sum is σ = 28330980. Its totient is φ = 27953640.

The previous prime is 28141697. The next prime is 28141709. The reversal of 28141699 is 99614182.

It is not a de Polignac number, because 28141699 - 2¹ = 28141697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28141693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32332 + ... + 33190.

It is an arithmetic number, because the mean of its divisors is an integer number (4721830).

Almost surely, 2^28141699 is an apocalyptic number.

28141699 is a deficient number, since it is larger than the sum of its proper divisors (189281).

28141699 is an frugal number, since it uses more digits than its factorization.

28141699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1040 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 28141699 is about 5304.8750220905. The cubic root of 28141699 is about 304.1702755394.

The spelling of 28141699 in words is "twenty-eight million, one hundred forty-one thousand, six hundred ninety-nine".