4344280387 has 4 divisors (see below), whose sum is σ = 4484418496. Its totient is φ = 4204142280.

The previous prime is 4344280361. The next prime is 4344280429. The reversal of 4344280387 is 7830824434.

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

It is a cyclic number.

It is not a de Polignac number, because 4344280387 - 2²³ = 4335891779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4344280987) 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, 70069008 + ... + 70069069.

It is an arithmetic number, because the mean of its divisors is an integer number (1121104624).

Almost surely, 2^4344280387 is an apocalyptic number.

4344280387 is a deficient number, since it is larger than the sum of its proper divisors (140138109).

4344280387 is a wasteful number, since it uses less digits than its factorization.

4344280387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140138108.

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 4344280387 is about 65911.1552546305. The cubic root of 4344280387 is about 1631.6961263566.

The spelling of 4344280387 in words is "four billion, three hundred forty-four million, two hundred eighty thousand, three hundred eighty-seven".