1913738 has 8 divisors (see below), whose sum is σ = 2995488. Its totient is φ = 915244.

The previous prime is 1913719. The next prime is 1913749. The reversal of 1913738 is 8373191.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 20756 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (374436).

2^1913738 is an apocalyptic number.

1913738 is a deficient number, since it is larger than the sum of its proper divisors (1081750).

1913738 is a wasteful number, since it uses less digits than its factorization.

1913738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41628.

The product of its digits is 4536, while the sum is 32.

The square root of 1913738 is about 1383.3791960269. The cubic root of 1913738 is about 124.1540316157.

The spelling of 1913738 in words is "one million, nine hundred thirteen thousand, seven hundred thirty-eight".