28154673 has 12 divisors (see below), whose sum is σ = 41275728. Its totient is φ = 18489240.

The previous prime is 28154671. The next prime is 28154677. The reversal of 28154673 is 37645182.

It is not a de Polignac number, because 28154673 - 2¹ = 28154671 is a prime.

It is a super-2 number, since 2×28154673² = 1585371223473858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28154671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22743 + ... + 23948.

It is an arithmetic number, because the mean of its divisors is an integer number (3439644).

Almost surely, 2^28154673 is an apocalyptic number.

It is an amenable number.

28154673 is a deficient number, since it is larger than the sum of its proper divisors (13121055).

28154673 is a wasteful number, since it uses less digits than its factorization.

28154673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46764 (or 46761 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 28154673 is about 5306.0977186629. The cubic root of 28154673 is about 304.2170116286.

The spelling of 28154673 in words is "twenty-eight million, one hundred fifty-four thousand, six hundred seventy-three".