1938074 has 4 divisors (see below), whose sum is σ = 2907114. Its totient is φ = 969036.

The previous prime is 1938073. The next prime is 1938103. The reversal of 1938074 is 4708391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4708391 = 743 ⋅6337.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 208849 = 1315^2 + 457^2 .

It is a super-2 number, since 2×1938074² = 7512261658952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1938074.

It is not an unprimeable number, because it can be changed into a prime (1938071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484517 + ... + 484520.

2^1938074 is an apocalyptic number.

1938074 is a deficient number, since it is larger than the sum of its proper divisors (969040).

1938074 is an equidigital number, since it uses as much as digits as its factorization.

1938074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969039.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1938074 is about 1392.1472623254. The cubic root of 1938074 is about 124.6780836707.

The spelling of 1938074 in words is "one million, nine hundred thirty-eight thousand, seventy-four".