42433966 has 4 divisors (see below), whose sum is σ = 63650952. Its totient is φ = 21216982.

The previous prime is 42433961. The next prime is 42433967. The reversal of 42433966 is 66933424.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10608490 + ... + 10608493.

It is an arithmetic number, because the mean of its divisors is an integer number (15912738).

Almost surely, 2^42433966 is an apocalyptic number.

42433966 is a deficient number, since it is larger than the sum of its proper divisors (21216986).

42433966 is a wasteful number, since it uses less digits than its factorization.

42433966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21216985.

The product of its digits is 93312, while the sum is 37.

The square root of 42433966 is about 6514.1358598052. The cubic root of 42433966 is about 348.7957688847.

The spelling of 42433966 in words is "forty-two million, four hundred thirty-three thousand, nine hundred sixty-six".