240796421 has 2 divisors, whose sum is σ = 240796422. Its totient is φ = 240796420.

The previous prime is 240796417. The next prime is 240796433. The reversal of 240796421 is 124697042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240684196 + 112225 = 15514^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 240796421 - 2² = 240796417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240796411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120398210 + 120398211.

It is an arithmetic number, because the mean of its divisors is an integer number (120398211).

Almost surely, 2^240796421 is an apocalyptic number.

It is an amenable number.

240796421 is a deficient number, since it is larger than the sum of its proper divisors (1).

240796421 is an equidigital number, since it uses as much as digits as its factorization.

240796421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 240796421 is about 15517.6164728994. The cubic root of 240796421 is about 622.1331492263.

The spelling of 240796421 in words is "two hundred forty million, seven hundred ninety-six thousand, four hundred twenty-one".