3478081 has 8 divisors (see below), whose sum is σ = 3718440. Its totient is φ = 3241728.

The previous prime is 3478073. The next prime is 3478087. The reversal of 3478081 is 1808743.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1461681 + 2016400 = 1209^2 + 1420^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3478081 - 2³ = 3478073 is a prime.

It is a super-2 number, since 2×3478081² = 24194094885122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478087) 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, 915 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (464805).

Almost surely, 2^3478081 is an apocalyptic number.

It is an amenable number.

3478081 is a deficient number, since it is larger than the sum of its proper divisors (240359).

3478081 is a wasteful number, since it uses less digits than its factorization.

3478081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3478081 is about 1864.9613937023. The cubic root of 3478081 is about 151.5118370576.

The spelling of 3478081 in words is "three million, four hundred seventy-eight thousand, eighty-one".