3493261 has 4 divisors (see below), whose sum is σ = 3529372. Its totient is φ = 3457152.

The previous prime is 3493223. The next prime is 3493289. The reversal of 3493261 is 1623943.

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 1550025 + 1943236 = 1245^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3493261 is a prime.

It is a Duffinian number.

3493261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493291) 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, 17910 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (882343).

Almost surely, 2^3493261 is an apocalyptic number.

It is an amenable number.

3493261 is a deficient number, since it is larger than the sum of its proper divisors (36111).

3493261 is an equidigital number, since it uses as much as digits as its factorization.

3493261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36110.

The product of its digits is 3888, while the sum is 28.

The square root of 3493261 is about 1869.0267520825. The cubic root of 3493261 is about 151.7319403992.

The spelling of 3493261 in words is "three million, four hundred ninety-three thousand, two hundred sixty-one".