28746495 has 20 divisors (see below), whose sum is σ = 51531480. Its totient is φ = 15331248.

The previous prime is 28746493. The next prime is 28746499. The reversal of 28746495 is 59464782.

It is a happy number.

It is not a de Polignac number, because 28746495 - 2¹ = 28746493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28746495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28746493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35085 + ... + 35894.

It is an arithmetic number, because the mean of its divisors is an integer number (2576574).

Almost surely, 2^28746495 is an apocalyptic number.

28746495 is a deficient number, since it is larger than the sum of its proper divisors (22784985).

28746495 is an equidigital number, since it uses as much as digits as its factorization.

28746495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70996 (or 70987 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 28746495 is about 5361.5757944843. The cubic root of 28746495 is about 306.3338340529. Note that the first 3 decimals are identical.

It can be divided in two parts, 28746 and 495, that added together give a square (29241 = 171²).

The spelling of 28746495 in words is "twenty-eight million, seven hundred forty-six thousand, four hundred ninety-five".