3494139 has 8 divisors (see below), whose sum is σ = 5082432. Its totient is φ = 2117640.

The previous prime is 3494107. The next prime is 3494149. The reversal of 3494139 is 9314943.

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

It is not a de Polignac number, because 3494139 - 2⁵ = 3494107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 105883 = 3494139 / (3 + 4 + 9 + 4 + 1 + 3 + 9).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3494149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52909 + ... + 52974.

It is an arithmetic number, because the mean of its divisors is an integer number (635304).

Almost surely, 2^3494139 is an apocalyptic number.

3494139 is a deficient number, since it is larger than the sum of its proper divisors (1588293).

3494139 is a wasteful number, since it uses less digits than its factorization.

3494139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105897.

The product of its digits is 11664, while the sum is 33.

The square root of 3494139 is about 1869.2616189287. The cubic root of 3494139 is about 151.7446514910.

It can be divided in two parts, 34941 and 39, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 3494139 in words is "three million, four hundred ninety-four thousand, one hundred thirty-nine".