228759406 has 4 divisors (see below), whose sum is σ = 343139112. Its totient is φ = 114379702.

The previous prime is 228759397. The next prime is 228759407. The reversal of 228759406 is 604957822.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×228759406³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228759407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57189850 + ... + 57189853.

It is an arithmetic number, because the mean of its divisors is an integer number (85784778).

Almost surely, 2^228759406 is an apocalyptic number.

228759406 is a deficient number, since it is larger than the sum of its proper divisors (114379706).

228759406 is a wasteful number, since it uses less digits than its factorization.

228759406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114379705.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 228759406 is about 15124.7944118259. The cubic root of 228759406 is about 611.5889827848.

The spelling of 228759406 in words is "two hundred twenty-eight million, seven hundred fifty-nine thousand, four hundred six".