3402849 has 4 divisors (see below), whose sum is σ = 4537136. Its totient is φ = 2268564.

The previous prime is 3402823. The next prime is 3402851. The reversal of 3402849 is 9482043.

It is a happy number.

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.

It is not a de Polignac number, because 3402849 - 2⁸ = 3402593 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3402899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567139 + ... + 567144.

It is an arithmetic number, because the mean of its divisors is an integer number (1134284).

Almost surely, 2^3402849 is an apocalyptic number.

It is an amenable number.

3402849 is a deficient number, since it is larger than the sum of its proper divisors (1134287).

3402849 is a wasteful number, since it uses less digits than its factorization.

3402849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134286.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3402849 is about 1844.6812732827. The cubic root of 3402849 is about 150.4114481487.

The spelling of 3402849 in words is "three million, four hundred two thousand, eight hundred forty-nine".