172994284 has 24 divisors (see below), whose sum is σ = 308463120. Its totient is φ = 84877056.

The previous prime is 172994281. The next prime is 172994287. The reversal of 172994284 is 482499271.

It is an interprime number because it is at equal distance from previous prime (172994281) and next prime (172994287).

It is not an unprimeable number, because it can be changed into a prime (172994281) 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 7 ways as a sum of consecutive naturals, for example, 46999 + ... + 50545.

It is an arithmetic number, because the mean of its divisors is an integer number (12852630).

Almost surely, 2^172994284 is an apocalyptic number.

It is an amenable number.

172994284 is a deficient number, since it is larger than the sum of its proper divisors (135468836).

172994284 is a wasteful number, since it uses less digits than its factorization.

172994284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3775 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 172994284 is about 13152.7291464547. The cubic root of 172994284 is about 557.1993287113.

The spelling of 172994284 in words is "one hundred seventy-two million, nine hundred ninety-four thousand, two hundred eighty-four".