3493861 has 8 divisors (see below), whose sum is σ = 4166784. Its totient is φ = 2864400.

The previous prime is 3493859. The next prime is 3493883. The reversal of 3493861 is 1683943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3493861 - 2¹ = 3493859 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10690 + ... + 11011.

It is an arithmetic number, because the mean of its divisors is an integer number (520848).

Almost surely, 2^3493861 is an apocalyptic number.

It is an amenable number.

3493861 is a deficient number, since it is larger than the sum of its proper divisors (672923).

3493861 is a wasteful number, since it uses less digits than its factorization.

3493861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21731.

The product of its digits is 15552, while the sum is 34.

The square root of 3493861 is about 1869.1872565369. The cubic root of 3493861 is about 151.7406270249.

The spelling of 3493861 in words is "three million, four hundred ninety-three thousand, eight hundred sixty-one".