172083406 has 16 divisors (see below), whose sum is σ = 284087088. Its totient is φ = 77526400.

The previous prime is 172083391. The next prime is 172083407. The reversal of 172083406 is 604380271.

It is a super-2 number, since 2×172083406² = 59225397241121672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172083407) 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, 32125 + ... + 37096.

It is an arithmetic number, because the mean of its divisors is an integer number (17755443).

Almost surely, 2^172083406 is an apocalyptic number.

172083406 is a deficient number, since it is larger than the sum of its proper divisors (112003682).

172083406 is a wasteful number, since it uses less digits than its factorization.

172083406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69347.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 172083406 is about 13118.0564871478. The cubic root of 172083406 is about 556.2196546843.

The spelling of 172083406 in words is "one hundred seventy-two million, eighty-three thousand, four hundred six".