1938488 has 16 divisors (see below), whose sum is σ = 3651480. Its totient is φ = 964768.

The previous prime is 1938451. The next prime is 1938491. The reversal of 1938488 is 8848391.

It is a super-2 number, since 2×1938488² = 7515471452288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931 + ... + 2757.

2^1938488 is an apocalyptic number.

It is an amenable number.

1938488 is a deficient number, since it is larger than the sum of its proper divisors (1712992).

1938488 is a wasteful number, since it uses less digits than its factorization.

1938488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1122 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 1938488 is about 1392.2959455518. The cubic root of 1938488 is about 124.6869607056.

Subtracting 1938488 from its reverse (8848391), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 1938488 in words is "one million, nine hundred thirty-eight thousand, four hundred eighty-eight".