172406848 has 14 divisors (see below), whose sum is σ = 342119966. Its totient is φ = 86203392.

The previous prime is 172406813. The next prime is 172406869. The reversal of 172406848 is 848604271.

It can be written as a sum of positive squares in only one way, i.e., 165688384 + 6718464 = 12872^2 + 2592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172406848.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346865 + ... + 1346992.

Almost surely, 2^172406848 is an apocalyptic number.

It is an amenable number.

172406848 is a deficient number, since it is larger than the sum of its proper divisors (169713118).

172406848 is an equidigital number, since it uses as much as digits as its factorization.

172406848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693869 (or 2693859 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 172406848 is about 13130.3788216487. The cubic root of 172406848 is about 556.5679203015.

The spelling of 172406848 in words is "one hundred seventy-two million, four hundred six thousand, eight hundred forty-eight".