42298605 has 40 divisors (see below), whose sum is σ = 76944384. Its totient is φ = 22226400.

The previous prime is 42298603. The next prime is 42298621. The reversal of 42298605 is 50689224.

It is a happy number.

42298605 is a `hidden beast` number, since 42 + 2 + 9 + 8 + 605 = 666.

It is not a de Polignac number, because 42298605 - 2¹ = 42298603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42298605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42298603) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28020 + ... + 29490.

Almost surely, 2^42298605 is an apocalyptic number.

42298605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42298605 is a deficient number, since it is larger than the sum of its proper divisors (34645779).

42298605 is a wasteful number, since it uses less digits than its factorization.

42298605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 42298605 is about 6503.7377714665. The cubic root of 42298605 is about 348.4244968436.

The spelling of 42298605 in words is "forty-two million, two hundred ninety-eight thousand, six hundred five".