438264377 has 4 divisors (see below), whose sum is σ = 438775440. Its totient is φ = 437753316.

The previous prime is 438264373. The next prime is 438264451. The reversal of 438264377 is 773462834.

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 438264377 - 2² = 438264373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438264373) 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, 254243 + ... + 255960.

It is an arithmetic number, because the mean of its divisors is an integer number (109693860).

Almost surely, 2^438264377 is an apocalyptic number.

It is an amenable number.

438264377 is a deficient number, since it is larger than the sum of its proper divisors (511063).

438264377 is an equidigital number, since it uses as much as digits as its factorization.

438264377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511062.

The product of its digits is 677376, while the sum is 44.

The square root of 438264377 is about 20934.7647944752. The cubic root of 438264377 is about 759.5890997902.

The spelling of 438264377 in words is "four hundred thirty-eight million, two hundred sixty-four thousand, three hundred seventy-seven".