228983390 has 16 divisors (see below), whose sum is σ = 413129808. Its totient is φ = 91380096.

The previous prime is 228983371. The next prime is 228983429. The reversal of 228983390 is 93389822.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22112 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (25820613).

Almost surely, 2^228983390 is an apocalyptic number.

228983390 is a deficient number, since it is larger than the sum of its proper divisors (184146418).

228983390 is a wasteful number, since it uses less digits than its factorization.

228983390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53323.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 228983390 is about 15132.1971306218. The cubic root of 228983390 is about 611.7885249801.

The spelling of 228983390 in words is "two hundred twenty-eight million, nine hundred eighty-three thousand, three hundred ninety".