434242397 has 8 divisors (see below), whose sum is σ = 469452000. Its totient is φ = 400268304.

The previous prime is 434242387. The next prime is 434242399. The reversal of 434242397 is 793242434.

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

It is a cyclic number.

It is not a de Polignac number, because 434242397 - 2²⁰ = 433193821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434242397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434242399) 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, 308147 + ... + 309552.

It is an arithmetic number, because the mean of its divisors is an integer number (58681500).

Almost surely, 2^434242397 is an apocalyptic number.

It is an amenable number.

434242397 is a deficient number, since it is larger than the sum of its proper divisors (35209603).

434242397 is a wasteful number, since it uses less digits than its factorization.

434242397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617755.

The product of its digits is 145152, while the sum is 38.

The square root of 434242397 is about 20838.4835580711. The cubic root of 434242397 is about 757.2583562651.

The spelling of 434242397 in words is "four hundred thirty-four million, two hundred forty-two thousand, three hundred ninety-seven".