693242864 has 40 divisors (see below), whose sum is σ = 1442238048. Its totient is φ = 321628160.

The previous prime is 693242831. The next prime is 693242897. The reversal of 693242864 is 468242396.

It is an interprime number because it is at equal distance from previous prime (693242831) and next prime (693242897).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 37260.

Almost surely, 2^693242864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693242864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721119024).

693242864 is an abundant number, since it is smaller than the sum of its proper divisors (748995184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693242864 is a wasteful number, since it uses less digits than its factorization.

693242864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35993 (or 35987 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 693242864 is about 26329.5055783431. The cubic root of 693242864 is about 885.0377648881.

The spelling of 693242864 in words is "six hundred ninety-three million, two hundred forty-two thousand, eight hundred sixty-four".