42608394 has 24 divisors (see below), whose sum is σ = 93358980. Its totient is φ = 14042688.

The previous prime is 42608383. The next prime is 42608411. The reversal of 42608394 is 49380624.

It is a happy number.

42608394 is a `hidden beast` number, since 4 + 260 + 8 + 394 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 189225 = 6513^2 + 435^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11697 + ... + 14900.

Almost surely, 2^42608394 is an apocalyptic number.

42608394 is an abundant number, since it is smaller than the sum of its proper divisors (50750586).

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

42608394 is a wasteful number, since it uses less digits than its factorization.

42608394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26694 (or 26691 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42608394 is about 6527.5105515043. The cubic root of 42608394 is about 349.2730325946.

The spelling of 42608394 in words is "forty-two million, six hundred eight thousand, three hundred ninety-four".