3472861 has 4 divisors (see below), whose sum is σ = 3968992. Its totient is φ = 2976732.

The previous prime is 3472853. The next prime is 3472867. The reversal of 3472861 is 1682743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1682743 = 971 ⋅1733.

It is a cyclic number.

It is not a de Polignac number, because 3472861 - 2³ = 3472853 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 (3472867) 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, 248055 + ... + 248068.

It is an arithmetic number, because the mean of its divisors is an integer number (992248).

Almost surely, 2^3472861 is an apocalyptic number.

It is an amenable number.

3472861 is a deficient number, since it is larger than the sum of its proper divisors (496131).

3472861 is an equidigital number, since it uses as much as digits as its factorization.

3472861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496130.

The product of its digits is 8064, while the sum is 31.

The square root of 3472861 is about 1863.5613754315. The cubic root of 3472861 is about 151.4360013900.

The spelling of 3472861 in words is "three million, four hundred seventy-two thousand, eight hundred sixty-one".