28747995 has 16 divisors (see below), whose sum is σ = 46865952. Its totient is φ = 15042560.

The previous prime is 28747993. The next prime is 28747997. The reversal of 28747995 is 59974782.

It is an interprime number because it is at equal distance from previous prime (28747993) and next prime (28747997).

It is not a de Polignac number, because 28747995 - 2¹ = 28747993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28747993) 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, 17286 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (2929122).

Almost surely, 2^28747995 is an apocalyptic number.

28747995 is a deficient number, since it is larger than the sum of its proper divisors (18117957).

28747995 is a wasteful number, since it uses less digits than its factorization.

28747995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36222.

The product of its digits is 1270080, while the sum is 51.

The square root of 28747995 is about 5361.7156769079. The cubic root of 28747995 is about 306.3391621547.

The spelling of 28747995 in words is "twenty-eight million, seven hundred forty-seven thousand, nine hundred ninety-five".