1138704 has 40 divisors (see below), whose sum is σ = 3362880. Its totient is φ = 325248.

The previous prime is 1138703. The next prime is 1138717. The reversal of 1138704 is 4078311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1138703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (84072).

2^1138704 is an apocalyptic number.

1138704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1138704 is an abundant number, since it is smaller than the sum of its proper divisors (2224176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138704 is a wasteful number, since it uses less digits than its factorization.

1138704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1138704 is about 1067.1007450096. The cubic root of 1138704 is about 104.4247911648.

The spelling of 1138704 in words is "one million, one hundred thirty-eight thousand, seven hundred four".