33870434 has 24 divisors (see below), whose sum is σ = 56702100. Its totient is φ = 15083712.

The previous prime is 33870427. The next prime is 33870437. The reversal of 33870434 is 43407833.

It can be written as a sum of positive squares in 6 ways, for example, as 8720209 + 25150225 = 2953^2 + 5015^2 .

It is a super-2 number, since 2×33870434² = 2294412598696712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33870434.

It is not an unprimeable number, because it can be changed into a prime (33870437) 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, 21092 + ... + 22640.

Almost surely, 2^33870434 is an apocalyptic number.

33870434 is a deficient number, since it is larger than the sum of its proper divisors (22831666).

33870434 is a wasteful number, since it uses less digits than its factorization.

33870434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 33870434 is about 5819.8310972055. The cubic root of 33870434 is about 323.5491430144.

The spelling of 33870434 in words is "thirty-three million, eight hundred seventy thousand, four hundred thirty-four".