240647946 has 48 divisors (see below), whose sum is σ = 604615872. Its totient is φ = 62504640.

The previous prime is 240647941. The next prime is 240647969. The reversal of 240647946 is 649746042.

It is a super-2 number, since 2×240647946² = 115822867828037832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 240647898 and 240647907.

It is not an unprimeable number, because it can be changed into a prime (240647941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18595 + ... + 28758.

It is an arithmetic number, because the mean of its divisors is an integer number (12596164).

Almost surely, 2^240647946 is an apocalyptic number.

240647946 is an abundant number, since it is smaller than the sum of its proper divisors (363967926).

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

240647946 is a wasteful number, since it uses less digits than its factorization.

240647946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387 (or 47376 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 240647946 is about 15512.8316564063. The cubic root of 240647946 is about 622.0052538991.

The spelling of 240647946 in words is "two hundred forty million, six hundred forty-seven thousand, nine hundred forty-six".