1453838938 has 8 divisors (see below), whose sum is σ = 2186701632. Its totient is φ = 724938396.

The previous prime is 1453838909. The next prime is 1453838959. The reversal of 1453838938 is 8398383541.

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

It is a super-2 number, since 2×1453838938² = 4227295315289935688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989620 + ... + 991087.

It is an arithmetic number, because the mean of its divisors is an integer number (273337704).

Almost surely, 2^1453838938 is an apocalyptic number.

1453838938 is a deficient number, since it is larger than the sum of its proper divisors (732862694).

1453838938 is a wasteful number, since it uses less digits than its factorization.

1453838938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981076.

The product of its digits is 2488320, while the sum is 52.

The square root of 1453838938 is about 38129.2399347273. The cubic root of 1453838938 is about 1132.8491908083.

The spelling of 1453838938 in words is "one billion, four hundred fifty-three million, eight hundred thirty-eight thousand, nine hundred thirty-eight".