424292397 has 4 divisors (see below), whose sum is σ = 565723200. Its totient is φ = 282861596.

The previous prime is 424292387. The next prime is 424292411. The reversal of 424292397 is 793292424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424292397 - 2¹² = 424288301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424292327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70715397 + ... + 70715402.

It is an arithmetic number, because the mean of its divisors is an integer number (141430800).

Almost surely, 2^424292397 is an apocalyptic number.

It is an amenable number.

424292397 is a deficient number, since it is larger than the sum of its proper divisors (141430803).

424292397 is a wasteful number, since it uses less digits than its factorization.

424292397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141430802.

The product of its digits is 217728, while the sum is 42.

The square root of 424292397 is about 20598.3590851310. The cubic root of 424292397 is about 751.4298040373.

The spelling of 424292397 in words is "four hundred twenty-four million, two hundred ninety-two thousand, three hundred ninety-seven".