240763421 has 4 divisors (see below), whose sum is σ = 253435200. Its totient is φ = 228091644.

The previous prime is 240763373. The next prime is 240763433. The reversal of 240763421 is 124367042.

240763421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240763421 - 2¹⁴ = 240747037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240763441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6335861 + ... + 6335898.

It is an arithmetic number, because the mean of its divisors is an integer number (63358800).

Almost surely, 2^240763421 is an apocalyptic number.

It is an amenable number.

240763421 is a deficient number, since it is larger than the sum of its proper divisors (12671779).

240763421 is a wasteful number, since it uses less digits than its factorization.

240763421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671778.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 240763421 is about 15516.5531288363. The cubic root of 240763421 is about 622.1047278019.

The spelling of 240763421 in words is "two hundred forty million, seven hundred sixty-three thousand, four hundred twenty-one".