693239148 has 144 divisors (see below), whose sum is σ = 2094659840. Its totient is φ = 196375104.

The previous prime is 693239137. The next prime is 693239153. The reversal of 693239148 is 841932396.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 945390 + ... + 946122.

Almost surely, 2^693239148 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 693239148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047329920).

693239148 is an abundant number, since it is smaller than the sum of its proper divisors (1401420692).

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

693239148 is a wasteful number, since it uses less digits than its factorization.

693239148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 884 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 693239148 is about 26329.4350110290. The cubic root of 693239148 is about 885.0361835249.

The spelling of 693239148 in words is "six hundred ninety-three million, two hundred thirty-nine thousand, one hundred forty-eight".