34100442 has 24 divisors (see below), whose sum is σ = 74008116. Its totient is φ = 11347776.

The previous prime is 34100431. The next prime is 34100449. The reversal of 34100442 is 24400143.

It can be written as a sum of positive squares in 2 ways, for example, as 33977241 + 123201 = 5829^2 + 351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (34100449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13158 + ... + 15534.

Almost surely, 2^34100442 is an apocalyptic number.

34100442 is an abundant number, since it is smaller than the sum of its proper divisors (39907674).

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

34100442 is a wasteful number, since it uses less digits than its factorization.

34100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 34100442 is about 5839.5583737129. The cubic root of 34100442 is about 324.2798793341.

Adding to 34100442 its reverse (24400143), we get a palindrome (58500585).

The spelling of 34100442 in words is "thirty-four million, one hundred thousand, four hundred forty-two".