34005402 has 24 divisors (see below), whose sum is σ = 77556960. Its totient is φ = 10738440.

The previous prime is 34005343. The next prime is 34005427. The reversal of 34005402 is 20450043.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49374 + ... + 50057.

It is an arithmetic number, because the mean of its divisors is an integer number (3231540).

Almost surely, 2^34005402 is an apocalyptic number.

34005402 is an abundant number, since it is smaller than the sum of its proper divisors (43551558).

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

34005402 is a wasteful number, since it uses less digits than its factorization.

34005402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99458 (or 99455 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 34005402 is about 5831.4150941260. The cubic root of 34005402 is about 323.9783364574.

Adding to 34005402 its reverse (20450043), we get a palindrome (54455445).

The spelling of 34005402 in words is "thirty-four million, five thousand, four hundred two".