1374388 has 12 divisors (see below), whose sum is σ = 2509920. Its totient is φ = 657272.

The previous prime is 1374379. The next prime is 1374407. The reversal of 1374388 is 8834731.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7378 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (209160).

2^1374388 is an apocalyptic number.

It is an amenable number.

1374388 is a deficient number, since it is larger than the sum of its proper divisors (1135532).

1374388 is a wasteful number, since it uses less digits than its factorization.

1374388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966 (or 14964 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 1374388 is about 1172.3429532351. The cubic root of 1374388 is about 111.1825041915.

It can be divided in two parts, 13743 and 88, that added together give a palindrome (13831).

The spelling of 1374388 in words is "one million, three hundred seventy-four thousand, three hundred eighty-eight".