247427358 has 8 divisors (see below), whose sum is σ = 494854728. Its totient is φ = 82475784.

The previous prime is 247427357. The next prime is 247427359. The reversal of 247427358 is 853724742.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (247427357) and next prime (247427359).

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

247427358 is an admirable number.

It is a super-2 number, since 2×247427358² = 122440594973720328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247427357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20618941 + ... + 20618952.

It is an arithmetic number, because the mean of its divisors is an integer number (61856841).

Almost surely, 2^247427358 is an apocalyptic number.

247427358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247427358 is a wasteful number, since it uses less digits than its factorization.

247427358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41237898.

The product of its digits is 376320, while the sum is 42.

The square root of 247427358 is about 15729.8238388101. The cubic root of 247427358 is about 627.7921861650.

The spelling of 247427358 in words is "two hundred forty-seven million, four hundred twenty-seven thousand, three hundred fifty-eight".