90370386 has 12 divisors (see below), whose sum is σ = 195802542. Its totient is φ = 30123456.

The previous prime is 90370369. The next prime is 90370393. The reversal of 90370386 is 68307309.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 6922161 = 9135^2 + 2631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90370386.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2510271 + ... + 2510306.

Almost surely, 2^90370386 is an apocalyptic number.

90370386 is an abundant number, since it is smaller than the sum of its proper divisors (105432156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90370386 is a wasteful number, since it uses less digits than its factorization.

90370386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020585 (or 5020582 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90370386 is about 9506.3339937118. Note that the first 3 decimals coincide. The cubic root of 90370386 is about 448.7543923552.

It can be divided in two parts, 903 and 70386, that added together give a square (71289 = 267²).

The spelling of 90370386 in words is "ninety million, three hundred seventy thousand, three hundred eighty-six".