3400434 has 16 divisors (see below), whose sum is σ = 7556640. Its totient is φ = 1133460.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400434 is 4340043.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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, 31432 + ... + 31539.

It is an arithmetic number, because the mean of its divisors is an integer number (472290).

Almost surely, 2^3400434 is an apocalyptic number.

3400434 is an abundant number, since it is smaller than the sum of its proper divisors (4156206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3400434 is a wasteful number, since it uses less digits than its factorization.

3400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62982 (or 62976 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3400434 is about 1844.0265724767. The cubic root of 3400434 is about 150.3758574214.

Adding to 3400434 its reverse (4340043), we get a palindrome (7740477).

The spelling of 3400434 in words is "three million, four hundred thousand, four hundred thirty-four".