3484781 has 4 divisors (see below), whose sum is σ = 3496092. Its totient is φ = 3473472.

The previous prime is 3484759. The next prime is 3484783. The reversal of 3484781 is 1874843.

It is a happy number.

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 366025 + 3118756 = 605^2 + 1766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3484781 is a prime.

It is a super-2 number, since 2×3484781² = 24287397235922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3484783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5180 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (874023).

Almost surely, 2^3484781 is an apocalyptic number.

It is an amenable number.

3484781 is a deficient number, since it is larger than the sum of its proper divisors (11311).

3484781 is a wasteful number, since it uses less digits than its factorization.

3484781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310.

The product of its digits is 21504, while the sum is 35.

The square root of 3484781 is about 1866.7568132995. The cubic root of 3484781 is about 151.6090629104.

The spelling of 3484781 in words is "three million, four hundred eighty-four thousand, seven hundred eighty-one".