1938345 has 8 divisors (see below), whose sum is σ = 3101376. Its totient is φ = 1033776.

The previous prime is 1938317. The next prime is 1938359. The reversal of 1938345 is 5438391.

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

It is not a de Polignac number, because 1938345 - 2⁷ = 1938217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64597 + ... + 64626.

It is an arithmetic number, because the mean of its divisors is an integer number (387672).

2^1938345 is an apocalyptic number.

1938345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1938345 is a deficient number, since it is larger than the sum of its proper divisors (1163031).

1938345 is a wasteful number, since it uses less digits than its factorization.

1938345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129231.

The product of its digits is 12960, while the sum is 33.

The square root of 1938345 is about 1392.2445905803. The cubic root of 1938345 is about 124.6838946263.

The spelling of 1938345 in words is "one million, nine hundred thirty-eight thousand, three hundred forty-five".