28901495 has 16 divisors (see below), whose sum is σ = 40289088. Its totient is φ = 19491840.

The previous prime is 28901419. The next prime is 28901497. The reversal of 28901495 is 59410982.

It is not a de Polignac number, because 28901495 - 2¹⁶ = 28835959 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28901497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4634 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (2518068).

Almost surely, 2^28901495 is an apocalyptic number.

28901495 is a deficient number, since it is larger than the sum of its proper divisors (11387593).

28901495 is a wasteful number, since it uses less digits than its factorization.

28901495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 28901495 is about 5376.0110676969. The cubic root of 28901495 is about 306.8834275376.

The spelling of 28901495 in words is "twenty-eight million, nine hundred one thousand, four hundred ninety-five".