3429439 has 4 divisors (see below), whose sum is σ = 3693256. Its totient is φ = 3165624.

The previous prime is 3429431. The next prime is 3429451. The reversal of 3429439 is 9349243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3429439 - 2³ = 3429431 is a prime.

It is a super-2 number, since 2×3429439² = 23522103709442, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429431) 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, 131889 + ... + 131914.

It is an arithmetic number, because the mean of its divisors is an integer number (923314).

Almost surely, 2^3429439 is an apocalyptic number.

3429439 is a deficient number, since it is larger than the sum of its proper divisors (263817).

3429439 is a wasteful number, since it uses less digits than its factorization.

3429439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263816.

The product of its digits is 23328, while the sum is 34.

The square root of 3429439 is about 1851.8744557880. The cubic root of 3429439 is about 150.8022058277.

The spelling of 3429439 in words is "three million, four hundred twenty-nine thousand, four hundred thirty-nine".