1934138 has 16 divisors (see below), whose sum is σ = 3036960. Its totient is φ = 922896.

The previous prime is 1934137. The next prime is 1934147. The reversal of 1934138 is 8314391.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1934138.

It is not an unprimeable number, because it can be changed into a prime (1934131) 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 in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (189810).

2^1934138 is an apocalyptic number.

1934138 is a deficient number, since it is larger than the sum of its proper divisors (1102822).

1934138 is a wasteful number, since it uses less digits than its factorization.

1934138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 2592, while the sum is 29.

The square root of 1934138 is about 1390.7329003083. The cubic root of 1934138 is about 124.5936243020.

The spelling of 1934138 in words is "one million, nine hundred thirty-four thousand, one hundred thirty-eight".