249734401 has 8 divisors (see below), whose sum is σ = 286208640. Its totient is φ = 213459648.

The previous prime is 249734383. The next prime is 249734413. The reversal of 249734401 is 104437942.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249734401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249734431) 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, 47176 + ... + 52201.

It is an arithmetic number, because the mean of its divisors is an integer number (35776080).

Almost surely, 2^249734401 is an apocalyptic number.

It is an amenable number.

249734401 is a deficient number, since it is larger than the sum of its proper divisors (36474239).

249734401 is an equidigital number, since it uses as much as digits as its factorization.

249734401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99743.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 249734401 is about 15802.9870910534. The cubic root of 249734401 is about 629.7373567171.

The spelling of 249734401 in words is "two hundred forty-nine million, seven hundred thirty-four thousand, four hundred one".