3481957 has 4 divisors (see below), whose sum is σ = 3686796. Its totient is φ = 3277120.

The previous prime is 3481937. The next prime is 3481967. The reversal of 3481957 is 7591843.

It is a Cunningham number, because it is equal to 1866²+1.

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 2709316 + 772641 = 1646^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481957 - 2¹¹ = 3479909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481927) 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, 102394 + ... + 102427.

It is an arithmetic number, because the mean of its divisors is an integer number (921699).

Almost surely, 2^3481957 is an apocalyptic number.

It is an amenable number.

3481957 is a deficient number, since it is larger than the sum of its proper divisors (204839).

3481957 is a wasteful number, since it uses less digits than its factorization.

3481957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204838.

The product of its digits is 30240, while the sum is 37.

The square root of 3481957 is about 1866.0002679528. Note that the first 3 decimals coincide. The cubic root of 3481957 is about 151.5680981459.

The spelling of 3481957 in words is "three million, four hundred eighty-one thousand, nine hundred fifty-seven".