34203402 has 12 divisors (see below), whose sum is σ = 74107410. Its totient is φ = 11401128.

The previous prime is 34203353. The next prime is 34203409. The reversal of 34203402 is 20430243.

It can be written as a sum of positive squares in only one way, i.e., 24710841 + 9492561 = 4971^2 + 3081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1900189 = 34203402 / (3 + 4 + 2 + 0 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (34203409) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 950077 + ... + 950112.

Almost surely, 2^34203402 is an apocalyptic number.

34203402 is an abundant number, since it is smaller than the sum of its proper divisors (39904008).

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

34203402 is a wasteful number, since it uses less digits than its factorization.

34203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900197 (or 1900194 counting only the distinct ones).

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

The square root of 34203402 is about 5848.3674645152. The cubic root of 34203402 is about 324.6059191921.

Adding to 34203402 its reverse (20430243), we get a palindrome (54633645).

The spelling of 34203402 in words is "thirty-four million, two hundred three thousand, four hundred two".