1373804438 has 8 divisors (see below), whose sum is σ = 2061674688. Its totient is φ = 686579544.

The previous prime is 1373804437. The next prime is 1373804441. The reversal of 1373804438 is 8344083731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1373804395 and 1373804404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373804437) 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, 155981 + ... + 164552.

It is an arithmetic number, because the mean of its divisors is an integer number (257709336).

Almost surely, 2^1373804438 is an apocalyptic number.

1373804438 is a deficient number, since it is larger than the sum of its proper divisors (687870250).

1373804438 is a wasteful number, since it uses less digits than its factorization.

1373804438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322678.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 1373804438 is about 37064.8679749436. The cubic root of 1373804438 is about 1111.6676601820.

The spelling of 1373804438 in words is "one billion, three hundred seventy-three million, eight hundred four thousand, four hundred thirty-eight".