1939238 has 8 divisors (see below), whose sum is σ = 3324432. Its totient is φ = 831096.

The previous prime is 1939237. The next prime is 1939243. The reversal of 1939238 is 8329391.

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 = 1939198 and 1939207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939237) 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, 69245 + ... + 69272.

It is an arithmetic number, because the mean of its divisors is an integer number (415554).

2^1939238 is an apocalyptic number.

1939238 is a deficient number, since it is larger than the sum of its proper divisors (1385194).

1939238 is a wasteful number, since it uses less digits than its factorization.

1939238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138526.

The product of its digits is 11664, while the sum is 35.

The square root of 1939238 is about 1392.5652587940. The cubic root of 1939238 is about 124.7030390723.

The spelling of 1939238 in words is "one million, nine hundred thirty-nine thousand, two hundred thirty-eight".