172083394 has 12 divisors (see below), whose sum is σ = 300268134. Its totient is φ = 73749984.

The previous prime is 172083391. The next prime is 172083407. The reversal of 172083394 is 493380271.

It can be written as a sum of positive squares in only one way, i.e., 131951169 + 40132225 = 11487^2 + 6335^2 .

It is a super-2 number, since 2×172083394² = 59225388981118472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172083391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877879 + ... + 878074.

Almost surely, 2^172083394 is an apocalyptic number.

172083394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172083394 is a deficient number, since it is larger than the sum of its proper divisors (128184740).

172083394 is a wasteful number, since it uses less digits than its factorization.

172083394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755969 (or 1755962 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 172083394 is about 13118.0560297629. The cubic root of 172083394 is about 556.2196417552.

It can be divided in two parts, 17208 and 3394, that added together give a palindrome (20602).

The spelling of 172083394 in words is "one hundred seventy-two million, eighty-three thousand, three hundred ninety-four".