3491263 has 4 divisors (see below), whose sum is σ = 3516520. Its totient is φ = 3466008.

The previous prime is 3491261. The next prime is 3491287. The reversal of 3491263 is 3621943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3621943 = 13 ⋅278611.

It is a cyclic number.

It is not a de Polignac number, because 3491263 - 2¹ = 3491261 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 (3491261) 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, 12420 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (879130).

Almost surely, 2^3491263 is an apocalyptic number.

3491263 is a deficient number, since it is larger than the sum of its proper divisors (25257).

3491263 is a wasteful number, since it uses less digits than its factorization.

3491263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256.

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

The square root of 3491263 is about 1868.4921728495. The cubic root of 3491263 is about 151.7030067625.

The spelling of 3491263 in words is "three million, four hundred ninety-one thousand, two hundred sixty-three".