90784246 has 16 divisors (see below), whose sum is σ = 155909376. Its totient is φ = 38837736.

The previous prime is 90784241. The next prime is 90784259. The reversal of 90784246 is 64248709.

It is a junction number, because it is equal to n+sod(n) for n = 90784199 and 90784208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90784241) 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, 2695 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (9744336).

Almost surely, 2^90784246 is an apocalyptic number.

90784246 is a deficient number, since it is larger than the sum of its proper divisors (65125130).

90784246 is a wasteful number, since it uses less digits than its factorization.

90784246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 90784246 is about 9528.0767209338. The cubic root of 90784246 is about 449.4383874493.

The spelling of 90784246 in words is "ninety million, seven hundred eighty-four thousand, two hundred forty-six".