90200342 has 8 divisors (see below), whose sum is σ = 141183216. Its totient is φ = 43139272.

The previous prime is 90200311. The next prime is 90200381. The reversal of 90200342 is 24300209.

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

It is a super-2 number, since 2×90200342² = 16272203393833928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980393 + ... + 980484.

It is an arithmetic number, because the mean of its divisors is an integer number (17647902).

Almost surely, 2^90200342 is an apocalyptic number.

90200342 is a deficient number, since it is larger than the sum of its proper divisors (50982874).

90200342 is a wasteful number, since it uses less digits than its factorization.

90200342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960902.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 90200342 is about 9497.3860614382. The cubic root of 90200342 is about 448.4727517772.

The spelling of 90200342 in words is "ninety million, two hundred thousand, three hundred forty-two".