172883649 has 8 divisors (see below), whose sum is σ = 231546112. Its totient is φ = 114738480.

The previous prime is 172883639. The next prime is 172883671. The reversal of 172883649 is 946388271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172883649 - 2¹³ = 172875457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172883598 and 172883607.

It is not an unprimeable number, because it can be changed into a prime (172883639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128542 + ... + 129879.

It is an arithmetic number, because the mean of its divisors is an integer number (28943264).

Almost surely, 2^172883649 is an apocalyptic number.

It is an amenable number.

172883649 is a deficient number, since it is larger than the sum of its proper divisors (58662463).

172883649 is a wasteful number, since it uses less digits than its factorization.

172883649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258647.

The product of its digits is 580608, while the sum is 48.

The square root of 172883649 is about 13148.5226926830. The cubic root of 172883649 is about 557.0805215222.

The spelling of 172883649 in words is "one hundred seventy-two million, eight hundred eighty-three thousand, six hundred forty-nine".