3478931 has 8 divisors (see below), whose sum is σ = 3718224. Its totient is φ = 3243520.

The previous prime is 3478907. The next prime is 3478939. The reversal of 3478931 is 1398743.

3478931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3478931 is a prime.

It is a super-2 number, since 2×3478931² = 24205921805522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3478891 and 3478900.

It is not an unprimeable number, because it can be changed into a prime (3478939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 2826.

It is an arithmetic number, because the mean of its divisors is an integer number (464778).

Almost surely, 2^3478931 is an apocalyptic number.

3478931 is a deficient number, since it is larger than the sum of its proper divisors (239293).

3478931 is a wasteful number, since it uses less digits than its factorization.

3478931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its digits is 18144, while the sum is 35.

The square root of 3478931 is about 1865.1892665357. The cubic root of 3478931 is about 151.5241785923.

The spelling of 3478931 in words is "three million, four hundred seventy-eight thousand, nine hundred thirty-one".