475849397 has 8 divisors (see below), whose sum is σ = 506376000. Its totient is φ = 445604544.

The previous prime is 475849393. The next prime is 475849399. The reversal of 475849397 is 793948574.

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

It is not a de Polignac number, because 475849397 - 2² = 475849393 is a prime.

It is a super-3 number, since 3×475849397³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475849393) 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, 66947 + ... + 73712.

It is an arithmetic number, because the mean of its divisors is an integer number (63297000).

Almost surely, 2^475849397 is an apocalyptic number.

It is an amenable number.

475849397 is a deficient number, since it is larger than the sum of its proper divisors (30526603).

475849397 is a wasteful number, since it uses less digits than its factorization.

475849397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140875.

The product of its digits is 7620480, while the sum is 56.

The square root of 475849397 is about 21813.9725176319. The cubic root of 475849397 is about 780.7101777652.

The spelling of 475849397 in words is "four hundred seventy-five million, eight hundred forty-nine thousand, three hundred ninety-seven".