240486406 has 24 divisors (see below), whose sum is σ = 375139512. Its totient is φ = 115617600.

The previous prime is 240486391. The next prime is 240486409. The reversal of 240486406 is 604684042.

It is a happy number.

It is a super-2 number, since 2×240486406² = 115667422941593672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240486409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405246 + ... + 405838.

It is an arithmetic number, because the mean of its divisors is an integer number (15630813).

Almost surely, 2^240486406 is an apocalyptic number.

240486406 is a deficient number, since it is larger than the sum of its proper divisors (134653106).

240486406 is a wasteful number, since it uses less digits than its factorization.

240486406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 240486406 is about 15507.6241249264. The cubic root of 240486406 is about 621.8660447049.

The spelling of 240486406 in words is "two hundred forty million, four hundred eighty-six thousand, four hundred six".