90378226 has 8 divisors (see below), whose sum is σ = 135977904. Its totient is φ = 45052260.

The previous prime is 90378221. The next prime is 90378251. The reversal of 90378226 is 62287309.

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 (90378221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67600 + ... + 68923.

It is an arithmetic number, because the mean of its divisors is an integer number (16997238).

Almost surely, 2^90378226 is an apocalyptic number.

90378226 is a deficient number, since it is larger than the sum of its proper divisors (45599678).

90378226 is a wasteful number, since it uses less digits than its factorization.

90378226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136856.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90378226 is about 9506.7463414146. The cubic root of 90378226 is about 448.7673690719.

The spelling of 90378226 in words is "ninety million, three hundred seventy-eight thousand, two hundred twenty-six".