3449858 has 4 divisors (see below), whose sum is σ = 5174790. Its totient is φ = 1724928.

The previous prime is 3449821. The next prime is 3449879. The reversal of 3449858 is 8589443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8589443 = 1091 ⋅7873.

It can be written as a sum of positive squares in only one way, i.e., 2111209 + 1338649 = 1453^2 + 1157^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862463 + ... + 862466.

Almost surely, 2^3449858 is an apocalyptic number.

3449858 is a deficient number, since it is larger than the sum of its proper divisors (1724932).

3449858 is a wasteful number, since it uses less digits than its factorization.

3449858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724931.

The product of its digits is 138240, while the sum is 41.

The square root of 3449858 is about 1857.3793365923. The cubic root of 3449858 is about 151.1009076556.

The spelling of 3449858 in words is "three million, four hundred forty-nine thousand, eight hundred fifty-eight".