28267954 has 24 divisors (see below), whose sum is σ = 50095152. Its totient is φ = 11859120.

The previous prime is 28267931. The next prime is 28267961. The reversal of 28267954 is 45976282.

It is a super-2 number, since 2×28267954² = 1598154446692232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28267954.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (2087298).

Almost surely, 2^28267954 is an apocalyptic number.

28267954 is a deficient number, since it is larger than the sum of its proper divisors (21827198).

28267954 is a wasteful number, since it uses less digits than its factorization.

28267954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 7629 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 28267954 is about 5316.7616083477. The cubic root of 28267954 is about 304.6244737784.

The spelling of 28267954 in words is "twenty-eight million, two hundred sixty-seven thousand, nine hundred fifty-four".