90234347 has 8 divisors (see below), whose sum is σ = 104188896. Its totient is φ = 76545792.

The previous prime is 90234343. The next prime is 90234349. The reversal of 90234347 is 74343209.

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

It is a cyclic number.

It is not a de Polignac number, because 90234347 - 2² = 90234343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90234343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65768 + ... + 67125.

It is an arithmetic number, because the mean of its divisors is an integer number (13023612).

Almost surely, 2^90234347 is an apocalyptic number.

90234347 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

90234347 is a deficient number, since it is larger than the sum of its proper divisors (13954549).

90234347 is a wasteful number, since it uses less digits than its factorization.

90234347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132997.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 90234347 is about 9499.1761221698. The cubic root of 90234347 is about 448.5291018958.

The spelling of 90234347 in words is "ninety million, two hundred thirty-four thousand, three hundred forty-seven".