240409346 has 4 divisors (see below), whose sum is σ = 360614022. Its totient is φ = 120204672.

The previous prime is 240409343. The next prime is 240409373. The reversal of 240409346 is 643904042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 172528225 + 67881121 = 13135^2 + 8239^2 .

It is not an unprimeable number, because it can be changed into a prime (240409343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60102335 + ... + 60102338.

Almost surely, 2^240409346 is an apocalyptic number.

240409346 is a deficient number, since it is larger than the sum of its proper divisors (120204676).

240409346 is a wasteful number, since it uses less digits than its factorization.

240409346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120204675.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 240409346 is about 15505.1393415216. The cubic root of 240409346 is about 621.7996152857.

The spelling of 240409346 in words is "two hundred forty million, four hundred nine thousand, three hundred forty-six".