1939953 has 8 divisors (see below), whose sum is σ = 2596608. Its totient is φ = 1288304.

The previous prime is 1939939. The next prime is 1939961. The reversal of 1939953 is 3599391.

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 1939953 - 2⁴ = 1939937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1939913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (324576).

2^1939953 is an apocalyptic number.

It is an amenable number.

1939953 is a deficient number, since it is larger than the sum of its proper divisors (656655).

1939953 is a wasteful number, since it uses less digits than its factorization.

1939953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503.

The product of its digits is 32805, while the sum is 39.

The square root of 1939953 is about 1392.8219555995. The cubic root of 1939953 is about 124.7183632559.

The spelling of 1939953 in words is "one million, nine hundred thirty-nine thousand, nine hundred fifty-three".