828940090 has 32 divisors (see below), whose sum is σ = 1647366336. Its totient is φ = 297797760.

The previous prime is 828940069. The next prime is 828940103. The reversal of 828940090 is 90049828.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36267 + ... + 54526.

It is an arithmetic number, because the mean of its divisors is an integer number (51480198).

Almost surely, 2^828940090 is an apocalyptic number.

828940090 is a deficient number, since it is larger than the sum of its proper divisors (818426246).

828940090 is a wasteful number, since it uses less digits than its factorization.

828940090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90894.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 828940090 is about 28791.3196988259. The cubic root of 828940090 is about 939.3794342280.

The spelling of 828940090 in words is "eight hundred twenty-eight million, nine hundred forty thousand, ninety".