193093828 has 12 divisors (see below), whose sum is σ = 340381692. Its totient is φ = 95841920.

The previous prime is 193093807. The next prime is 193093841. The reversal of 193093828 is 828390391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57790404 + 135303424 = 7602^2 + 11632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175633 + ... + 176728.

It is an arithmetic number, because the mean of its divisors is an integer number (28365141).

Almost surely, 2^193093828 is an apocalyptic number.

It is an amenable number.

193093828 is a deficient number, since it is larger than the sum of its proper divisors (147287864).

193093828 is a wasteful number, since it uses less digits than its factorization.

193093828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352502 (or 352500 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 193093828 is about 13895.8205227327. The cubic root of 193093828 is about 577.9932910306.

The spelling of 193093828 in words is "one hundred ninety-three million, ninety-three thousand, eight hundred twenty-eight".