3479257 has 4 divisors (see below), whose sum is σ = 3536356. Its totient is φ = 3422160.

The previous prime is 3479249. The next prime is 3479303. The reversal of 3479257 is 7529743.

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 163216 + 3316041 = 404^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479257 - 2³ = 3479249 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 4⁵ + 7² + 9² + 2¹⁹ + 5⁹ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3479207) 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, 28458 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (884089).

Almost surely, 2^3479257 is an apocalyptic number.

It is an amenable number.

3479257 is a deficient number, since it is larger than the sum of its proper divisors (57099).

3479257 is an equidigital number, since it uses as much as digits as its factorization.

3479257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57098.

The product of its digits is 52920, while the sum is 37.

The square root of 3479257 is about 1865.2766550836. The cubic root of 3479257 is about 151.5289114005.

It can be divided in two parts, 347 and 9257, that added together give a square (9604 = 98²).

The spelling of 3479257 in words is "three million, four hundred seventy-nine thousand, two hundred fifty-seven".