229693749 has 8 divisors (see below), whose sum is σ = 324273600. Its totient is φ = 144121536.

The previous prime is 229693741. The next prime is 229693757. The reversal of 229693749 is 947396922.

It is an interprime number because it is at equal distance from previous prime (229693741) and next prime (229693757).

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

It is not a de Polignac number, because 229693749 - 2³ = 229693741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 4503799 = 229693749 / (2 + 2 + 9 + 6 + 9 + 3 + 7 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229693741) 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, 2251849 + ... + 2251950.

It is an arithmetic number, because the mean of its divisors is an integer number (40534200).

Almost surely, 2^229693749 is an apocalyptic number.

It is an amenable number.

229693749 is a deficient number, since it is larger than the sum of its proper divisors (94579851).

229693749 is a wasteful number, since it uses less digits than its factorization.

229693749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503819.

The product of its digits is 1469664, while the sum is 51.

The square root of 229693749 is about 15155.6507283587. The cubic root of 229693749 is about 612.4205080233.

The spelling of 229693749 in words is "two hundred twenty-nine million, six hundred ninety-three thousand, seven hundred forty-nine".