90938782 has 8 divisors (see below), whose sum is σ = 148808952. Its totient is φ = 41335800.

The previous prime is 90938777. The next prime is 90938789. The reversal of 90938782 is 28783909.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90938789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066769 + ... + 2066812.

It is an arithmetic number, because the mean of its divisors is an integer number (18601119).

Almost surely, 2^90938782 is an apocalyptic number.

90938782 is a deficient number, since it is larger than the sum of its proper divisors (57870170).

90938782 is a wasteful number, since it uses less digits than its factorization.

90938782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133594.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 90938782 is about 9536.1827792886. The cubic root of 90938782 is about 449.6932592717.

The spelling of 90938782 in words is "ninety million, nine hundred thirty-eight thousand, seven hundred eighty-two".