249342064 has 10 divisors (see below), whose sum is σ = 483100280. Its totient is φ = 124671024.

The previous prime is 249342061. The next prime is 249342101. The reversal of 249342064 is 460243942.

249342064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249342061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7791924 + ... + 7791955.

It is an arithmetic number, because the mean of its divisors is an integer number (48310028).

Almost surely, 2^249342064 is an apocalyptic number.

It is an amenable number.

249342064 is a deficient number, since it is larger than the sum of its proper divisors (233758216).

249342064 is a wasteful number, since it uses less digits than its factorization.

249342064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15583887 (or 15583881 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 249342064 is about 15790.5688307926. The cubic root of 249342064 is about 629.4074078318.

The spelling of 249342064 in words is "two hundred forty-nine million, three hundred forty-two thousand, sixty-four".