424643377 has 4 divisors (see below), whose sum is σ = 424785700. Its totient is φ = 424501056.

The previous prime is 424643371. The next prime is 424643389. The reversal of 424643377 is 773346424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 268992801 + 155650576 = 16401^2 + 12476^2 .

It is a cyclic number.

It is not a de Polignac number, because 424643377 - 2²⁷ = 290425649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424643371) 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, 66588 + ... + 72685.

It is an arithmetic number, because the mean of its divisors is an integer number (106196425).

Almost surely, 2^424643377 is an apocalyptic number.

It is an amenable number.

424643377 is a deficient number, since it is larger than the sum of its proper divisors (142323).

424643377 is a wasteful number, since it uses less digits than its factorization.

424643377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142322.

The product of its digits is 338688, while the sum is 40.

The square root of 424643377 is about 20606.8769346546. The cubic root of 424643377 is about 751.6369443221.

The spelling of 424643377 in words is "four hundred twenty-four million, six hundred forty-three thousand, three hundred seventy-seven".