1934745 has 8 divisors (see below), whose sum is σ = 3095616. Its totient is φ = 1031856.

The previous prime is 1934743. The next prime is 1934761. The reversal of 1934745 is 5474391.

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

It is not a de Polignac number, because 1934745 - 2¹ = 1934743 is a prime.

It is a d-powerful number, because it can be written as 1 + 9² + 3¹³ + 4³ + 7 + 4⁹ + 5⁷ .

1934745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1934743) 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, 64477 + ... + 64506.

It is an arithmetic number, because the mean of its divisors is an integer number (386952).

2^1934745 is an apocalyptic number.

1934745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1934745 is a deficient number, since it is larger than the sum of its proper divisors (1160871).

1934745 is a wasteful number, since it uses less digits than its factorization.

1934745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128991.

The product of its digits is 15120, while the sum is 33.

The square root of 1934745 is about 1390.9511134472. The cubic root of 1934745 is about 124.6066568812.

The spelling of 1934745 in words is "one million, nine hundred thirty-four thousand, seven hundred forty-five".