376643438 has 4 divisors (see below), whose sum is σ = 564965160. Its totient is φ = 188321718.

The previous prime is 376643437. The next prime is 376643447. The reversal of 376643438 is 834346673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834346673 = 43 ⋅19403411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376643431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94160858 + ... + 94160861.

It is an arithmetic number, because the mean of its divisors is an integer number (141241290).

Almost surely, 2^376643438 is an apocalyptic number.

376643438 is a deficient number, since it is larger than the sum of its proper divisors (188321722).

376643438 is a wasteful number, since it uses less digits than its factorization.

376643438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188321721.

The product of its digits is 870912, while the sum is 44.

The square root of 376643438 is about 19407.3037282359. The cubic root of 376643438 is about 722.1766934280.

The spelling of 376643438 in words is "three hundred seventy-six million, six hundred forty-three thousand, four hundred thirty-eight".