3402949 has 4 divisors (see below), whose sum is σ = 3712320. Its totient is φ = 3093580.

The previous prime is 3402929. The next prime is 3402953. The reversal of 3402949 is 9492043.

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: 9492043 = 11 ⋅862913.

It is a cyclic number.

It is not a de Polignac number, because 3402949 - 2⁷ = 3402821 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3402949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402929) 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 3 ways as a sum of consecutive naturals, for example, 154669 + ... + 154690.

It is an arithmetic number, because the mean of its divisors is an integer number (928080).

Almost surely, 2^3402949 is an apocalyptic number.

It is an amenable number.

3402949 is a deficient number, since it is larger than the sum of its proper divisors (309371).

3402949 is a wasteful number, since it uses less digits than its factorization.

3402949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309370.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3402949 is about 1844.7083780370. The cubic root of 3402949 is about 150.4129215217.

The spelling of 3402949 in words is "three million, four hundred two thousand, nine hundred forty-nine".