42434836 has 24 divisors (see below), whose sum is σ = 76391784. Its totient is φ = 20613120.

The previous prime is 42434831. The next prime is 42434849. The reversal of 42434836 is 63843424.

It can be written as a sum of positive squares in 4 ways, for example, as 5904900 + 36529936 = 2430^2 + 6044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57526 + ... + 58258.

It is an arithmetic number, because the mean of its divisors is an integer number (3182991).

Almost surely, 2^42434836 is an apocalyptic number.

It is an amenable number.

42434836 is a deficient number, since it is larger than the sum of its proper divisors (33956948).

42434836 is a wasteful number, since it uses less digits than its factorization.

42434836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 42434836 is about 6514.2026373149. The cubic root of 42434836 is about 348.7981525903.

The spelling of 42434836 in words is "forty-two million, four hundred thirty-four thousand, eight hundred thirty-six".