42436197 has 8 divisors (see below), whose sum is σ = 62868480. Its totient is φ = 28290780.

The previous prime is 42436183. The next prime is 42436211. The reversal of 42436197 is 79163424.

It is an interprime number because it is at equal distance from previous prime (42436183) and next prime (42436211).

It is not a de Polignac number, because 42436197 - 2⁴ = 42436181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785829 + ... + 785882.

It is an arithmetic number, because the mean of its divisors is an integer number (7858560).

Almost surely, 2^42436197 is an apocalyptic number.

It is an amenable number.

42436197 is a deficient number, since it is larger than the sum of its proper divisors (20432283).

42436197 is a wasteful number, since it uses less digits than its factorization.

42436197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571720 (or 1571714 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 42436197 is about 6514.3071005288. The cubic root of 42436197 is about 348.8018815173.

It can be divided in two parts, 4243 and 6197, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 42436197 in words is "forty-two million, four hundred thirty-six thousand, one hundred ninety-seven".