1945493 has 8 divisors (see below), whose sum is σ = 2138400. Its totient is φ = 1755280.

The previous prime is 1945487. The next prime is 1945499. The reversal of 1945493 is 3945491.

It is an interprime number because it is at equal distance from previous prime (1945487) and next prime (1945499).

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

It is a cyclic number.

It is not a de Polignac number, because 1945493 - 2¹⁰ = 1944469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (267300).

2^1945493 is an apocalyptic number.

It is an amenable number.

1945493 is a deficient number, since it is larger than the sum of its proper divisors (192907).

1945493 is a wasteful number, since it uses less digits than its factorization.

1945493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 19440, while the sum is 35.

The square root of 1945493 is about 1394.8093059626. The cubic root of 1945493 is about 124.8369714660.

The spelling of 1945493 in words is "one million, nine hundred forty-five thousand, four hundred ninety-three".