424270397 has 8 divisors (see below), whose sum is σ = 447102720. Its totient is φ = 401803600.

The previous prime is 424270381. The next prime is 424270409. The reversal of 424270397 is 793072424.

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 424270397 - 2⁴ = 424270381 is a prime.

It is a super-3 number, since 3×424270397³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424270397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424270997) 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, 88997 + ... + 93642.

It is an arithmetic number, because the mean of its divisors is an integer number (55887840).

Almost surely, 2^424270397 is an apocalyptic number.

It is an amenable number.

424270397 is a deficient number, since it is larger than the sum of its proper divisors (22832323).

424270397 is a wasteful number, since it uses less digits than its factorization.

424270397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182763.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 424270397 is about 20597.8250550877. The cubic root of 424270397 is about 751.4168163417.

The spelling of 424270397 in words is "four hundred twenty-four million, two hundred seventy thousand, three hundred ninety-seven".