3428949 has 16 divisors (see below), whose sum is σ = 4928000. Its totient is φ = 2113776.

The previous prime is 3428947. The next prime is 3428977. The reversal of 3428949 is 9498243.

It is not a de Polignac number, because 3428949 - 2¹ = 3428947 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 (3428947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (308000).

Almost surely, 2^3428949 is an apocalyptic number.

It is an amenable number.

3428949 is a deficient number, since it is larger than the sum of its proper divisors (1499051).

3428949 is a wasteful number, since it uses less digits than its factorization.

3428949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its digits is 62208, while the sum is 39.

The square root of 3428949 is about 1851.7421526768. The cubic root of 3428949 is about 150.7950232535.

The spelling of 3428949 in words is "three million, four hundred twenty-eight thousand, nine hundred forty-nine".