3478172 has 6 divisors (see below), whose sum is σ = 6086808. Its totient is φ = 1739084.

The previous prime is 3478157. The next prime is 3478199. The reversal of 3478172 is 2718743.

It is a happy number.

3478172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3478172³ (a number of 21 digits) contains 333 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434768 + ... + 434775.

It is an arithmetic number, because the mean of its divisors is an integer number (1014468).

Almost surely, 2^3478172 is an apocalyptic number.

It is an amenable number.

3478172 is a deficient number, since it is larger than the sum of its proper divisors (2608636).

3478172 is a wasteful number, since it uses less digits than its factorization.

3478172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869547 (or 869545 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3478172 is about 1864.9857908306. The cubic root of 3478172 is about 151.5131584239.

The spelling of 3478172 in words is "three million, four hundred seventy-eight thousand, one hundred seventy-two".