28093495 has 16 divisors (see below), whose sum is σ = 35814240. Its totient is φ = 21095424.

The previous prime is 28093477. The next prime is 28093517. The reversal of 28093495 is 59439082.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28093495 - 2⁵ = 28093463 is a prime.

It is a super-2 number, since 2×28093495² = 1578488922630050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9427 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^28093495 is an apocalyptic number.

28093495 is a deficient number, since it is larger than the sum of its proper divisors (7720745).

28093495 is a wasteful number, since it uses less digits than its factorization.

28093495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 28093495 is about 5300.3297067258. The cubic root of 28093495 is about 303.9965048940.

The spelling of 28093495 in words is "twenty-eight million, ninety-three thousand, four hundred ninety-five".