249424401 has 8 divisors (see below), whose sum is σ = 333262080. Its totient is φ = 165934832.

The previous prime is 249424387. The next prime is 249424477. The reversal of 249424401 is 104424942.

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

It is a cyclic number.

It is not a de Polignac number, because 249424401 - 2⁶ = 249424337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249424501) 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, 85350 + ... + 88223.

It is an arithmetic number, because the mean of its divisors is an integer number (41657760).

Almost surely, 2^249424401 is an apocalyptic number.

It is an amenable number.

249424401 is a deficient number, since it is larger than the sum of its proper divisors (83837679).

249424401 is a wasteful number, since it uses less digits than its factorization.

249424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174055.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 249424401 is about 15793.1757730990. The cubic root of 249424401 is about 629.4766805592.

The spelling of 249424401 in words is "two hundred forty-nine million, four hundred twenty-four thousand, four hundred one".