418472397 has 36 divisors (see below), whose sum is σ = 740170080. Its totient is φ = 226536912.

The previous prime is 418472389. The next prime is 418472437. The reversal of 418472397 is 793274814.

It is not a de Polignac number, because 418472397 - 2³ = 418472389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418472347) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16593 + ... + 33350.

It is an arithmetic number, because the mean of its divisors is an integer number (20560280).

Almost surely, 2^418472397 is an apocalyptic number.

It is an amenable number.

418472397 is a deficient number, since it is larger than the sum of its proper divisors (321697683).

418472397 is a wasteful number, since it uses less digits than its factorization.

418472397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49982 (or 49972 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 418472397 is about 20456.5978843013. The cubic root of 418472397 is about 747.9781973160.

It can be divided in two parts, 41847 and 2397, that added together give a palindrome (44244).

The spelling of 418472397 in words is "four hundred eighteen million, four hundred seventy-two thousand, three hundred ninety-seven".