42998697 has 12 divisors (see below), whose sum is σ = 70982080. Its totient is φ = 24570648.

The previous prime is 42998693. The next prime is 42998713. The reversal of 42998697 is 79689924.

It is not a de Polignac number, because 42998697 - 2² = 42998693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42998693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341197 + ... + 341322.

Almost surely, 2^42998697 is an apocalyptic number.

It is an amenable number.

42998697 is a deficient number, since it is larger than the sum of its proper divisors (27983383).

42998697 is a wasteful number, since it uses less digits than its factorization.

42998697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682532 (or 682529 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 42998697 is about 6557.3391707308. The cubic root of 42998697 is about 350.3362672993.

It can be divided in two parts, 4299 and 8697, that added together give a square (12996 = 114²).

The spelling of 42998697 in words is "forty-two million, nine hundred ninety-eight thousand, six hundred ninety-seven".