235486993 has 8 divisors (see below), whose sum is σ = 274620800. Its totient is φ = 201845700.

The previous prime is 235486987. The next prime is 235487011. The reversal of 235486993 is 399684532.

It is not a de Polignac number, because 235486993 - 2⁵ = 235486961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235486793) by changing a digit.

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, 342933 + ... + 343618.

It is an arithmetic number, because the mean of its divisors is an integer number (34327600).

Almost surely, 2^235486993 is an apocalyptic number.

It is an amenable number.

235486993 is a deficient number, since it is larger than the sum of its proper divisors (39133807).

235486993 is an frugal number, since it uses more digits than its factorization.

235486993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686572 (or 686558 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 235486993 is about 15345.5854564106. The cubic root of 235486993 is about 617.5265598568.

The spelling of 235486993 in words is "two hundred thirty-five million, four hundred eighty-six thousand, nine hundred ninety-three".