242897240 has 16 divisors (see below), whose sum is σ = 546518880. Its totient is φ = 97158880.

The previous prime is 242897231. The next prime is 242897261. The reversal of 242897240 is 42798242.

242897240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242897194 and 242897203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036176 + ... + 3036255.

It is an arithmetic number, because the mean of its divisors is an integer number (34157430).

Almost surely, 2^242897240 is an apocalyptic number.

242897240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242897240 is an abundant number, since it is smaller than the sum of its proper divisors (303621640).

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

242897240 is a wasteful number, since it uses less digits than its factorization.

242897240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072442 (or 6072438 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 242897240 is about 15585.1608910527. The cubic root of 242897240 is about 623.9371717917.

The spelling of 242897240 in words is "two hundred forty-two million, eight hundred ninety-seven thousand, two hundred forty".