597978349 has 8 divisors (see below), whose sum is σ = 650266488. Its totient is φ = 547591680.

The previous prime is 597978343. The next prime is 597978361. The reversal of 597978349 is 943879795.

It can be written as a sum of positive squares in 4 ways, for example, as 362140900 + 235837449 = 19030^2 + 15357^2 .

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 597978349 - 2⁷ = 597978221 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 (597978343) 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, 474712 + ... + 475969.

It is an arithmetic number, because the mean of its divisors is an integer number (81283311).

Almost surely, 2^597978349 is an apocalyptic number.

It is an amenable number.

597978349 is a deficient number, since it is larger than the sum of its proper divisors (52288139).

597978349 is a wasteful number, since it uses less digits than its factorization.

597978349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950735.

The product of its digits is 17146080, while the sum is 61.

The square root of 597978349 is about 24453.5958296525. The cubic root of 597978349 is about 842.4843068690.

The spelling of 597978349 in words is "five hundred ninety-seven million, nine hundred seventy-eight thousand, three hundred forty-nine".