3474781 has 4 divisors (see below), whose sum is σ = 3568732. Its totient is φ = 3380832.

The previous prime is 3474773. The next prime is 3474797. The reversal of 3474781 is 1874743.

3474781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2752281 + 722500 = 1659^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3474781 - 2³ = 3474773 is a prime.

It is a super-2 number, since 2×3474781² = 24148205995922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474721) 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 3 ways as a sum of consecutive naturals, for example, 46920 + ... + 46993.

It is an arithmetic number, because the mean of its divisors is an integer number (892183).

Almost surely, 2^3474781 is an apocalyptic number.

It is an amenable number.

3474781 is a deficient number, since it is larger than the sum of its proper divisors (93951).

3474781 is an equidigital number, since it uses as much as digits as its factorization.

3474781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93950.

The product of its digits is 18816, while the sum is 34.

The square root of 3474781 is about 1864.0764469302. The cubic root of 3474781 is about 151.4639037983.

The spelling of 3474781 in words is "three million, four hundred seventy-four thousand, seven hundred eighty-one".