3471994 has 4 divisors (see below), whose sum is σ = 5207994. Its totient is φ = 1735996.

The previous prime is 3471989. The next prime is 3471997. The reversal of 3471994 is 4991743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4991743 = 89 ⋅56087.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 1225 = 1863^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (3471997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867997 + ... + 868000.

Almost surely, 2^3471994 is an apocalyptic number.

3471994 is a deficient number, since it is larger than the sum of its proper divisors (1736000).

3471994 is a wasteful number, since it uses less digits than its factorization.

3471994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735999.

The product of its digits is 27216, while the sum is 37.

The square root of 3471994 is about 1863.3287417952. The cubic root of 3471994 is about 151.4233983383.

It can be divided in two parts, 3471 and 994, that added together give a triangular number (4465 = T₉₄).

The spelling of 3471994 in words is "three million, four hundred seventy-one thousand, nine hundred ninety-four".