93143290 has 8 divisors (see below), whose sum is σ = 167657940. Its totient is φ = 37257312.

The previous prime is 93143287. The next prime is 93143299. The reversal of 93143290 is 9234139.

It can be written as a sum of positive squares in 2 ways, for example, as 86471401 + 6671889 = 9299^2 + 2583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (93143299) 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 3 ways as a sum of consecutive naturals, for example, 4657155 + ... + 4657174.

Almost surely, 2^93143290 is an apocalyptic number.

93143290 is a deficient number, since it is larger than the sum of its proper divisors (74514650).

93143290 is a wasteful number, since it uses less digits than its factorization.

93143290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314336.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 93143290 is about 9651.0771419567. The cubic root of 93143290 is about 453.2980574964.

The spelling of 93143290 in words is "ninety-three million, one hundred forty-three thousand, two hundred ninety".