597199421 has 16 divisors (see below), whose sum is σ = 741896064. Its totient is φ = 468085824.

The previous prime is 597199417. The next prime is 597199423. The reversal of 597199421 is 124991795.

It is a cyclic number.

It is not a de Polignac number, because 597199421 - 2² = 597199417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (597199423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20930 + ... + 40403.

It is an arithmetic number, because the mean of its divisors is an integer number (46368504).

Almost surely, 2^597199421 is an apocalyptic number.

It is an amenable number.

597199421 is a deficient number, since it is larger than the sum of its proper divisors (144696643).

597199421 is a wasteful number, since it uses less digits than its factorization.

597199421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61460.

The product of its digits is 204120, while the sum is 47.

The square root of 597199421 is about 24437.6639841045. The cubic root of 597199421 is about 842.1183405754.

The spelling of 597199421 in words is "five hundred ninety-seven million, one hundred ninety-nine thousand, four hundred twenty-one".