228790346 has 8 divisors (see below), whose sum is σ = 346334340. Its totient is φ = 113345568.

The previous prime is 228790339. The next prime is 228790357. The reversal of 228790346 is 643097822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192127321 + 36663025 = 13861^2 + 6055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524531 + ... + 524966.

Almost surely, 2^228790346 is an apocalyptic number.

228790346 is a deficient number, since it is larger than the sum of its proper divisors (117543994).

228790346 is a wasteful number, since it uses less digits than its factorization.

228790346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049608.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 228790346 is about 15125.8172010639. The cubic root of 228790346 is about 611.6165542706.

The spelling of 228790346 in words is "two hundred twenty-eight million, seven hundred ninety thousand, three hundred forty-six".