424304197 has 8 divisors (see below), whose sum is σ = 436519832. Its totient is φ = 412128000.

The previous prime is 424304129. The next prime is 424304201. The reversal of 424304197 is 791403424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 145781476 + 278522721 = 12074^2 + 16689^2 .

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 424304197 - 2²³ = 415915589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424305197) 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, 12697 + ... + 31777.

It is an arithmetic number, because the mean of its divisors is an integer number (54564979).

Almost surely, 2^424304197 is an apocalyptic number.

It is an amenable number.

424304197 is a deficient number, since it is larger than the sum of its proper divisors (12215635).

424304197 is a wasteful number, since it uses less digits than its factorization.

424304197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 424304197 is about 20598.6455137225. The cubic root of 424304197 is about 751.4367699799.

The spelling of 424304197 in words is "four hundred twenty-four million, three hundred four thousand, one hundred ninety-seven".