42406606 has 8 divisors (see below), whose sum is σ = 69392664. Its totient is φ = 19275720.

The previous prime is 42406597. The next prime is 42406621. The reversal of 42406606 is 60660424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963765 + ... + 963808.

It is an arithmetic number, because the mean of its divisors is an integer number (8674083).

Almost surely, 2^42406606 is an apocalyptic number.

42406606 is a deficient number, since it is larger than the sum of its proper divisors (26986058).

42406606 is a wasteful number, since it uses less digits than its factorization.

42406606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927586.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42406606 is about 6512.0354728764. The cubic root of 42406606 is about 348.7207888244.

The spelling of 42406606 in words is "forty-two million, four hundred six thousand, six hundred six".