301994397 has 12 divisors (see below), whose sum is σ = 446854044. Its totient is φ = 196418880.

The previous prime is 301994389. The next prime is 301994471. The reversal of 301994397 is 793499103.

It can be written as a sum of positive squares in 2 ways, for example, as 110061081 + 191933316 = 10491^2 + 13854^2 .

It is not a de Polignac number, because 301994397 - 2³ = 301994389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301994377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408838 + ... + 409575.

It is an arithmetic number, because the mean of its divisors is an integer number (37237837).

Almost surely, 2^301994397 is an apocalyptic number.

It is an amenable number.

301994397 is a deficient number, since it is larger than the sum of its proper divisors (144859647).

301994397 is a wasteful number, since it uses less digits than its factorization.

301994397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818460 (or 818457 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 301994397 is about 17377.9859880252. The cubic root of 301994397 is about 670.9131360108.

It can be divided in two parts, 30199 and 4397, that added together give a square (34596 = 186²).

The spelling of 301994397 in words is "three hundred one million, nine hundred ninety-four thousand, three hundred ninety-seven".