1953944 has 8 divisors (see below), whose sum is σ = 3663660. Its totient is φ = 976968.

The previous prime is 1953943. The next prime is 1953949. The reversal of 1953944 is 4493591.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122114 + ... + 122129.

2^1953944 is an apocalyptic number.

It is an amenable number.

1953944 is a deficient number, since it is larger than the sum of its proper divisors (1709716).

1953944 is a wasteful number, since it uses less digits than its factorization.

1953944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244249 (or 244245 counting only the distinct ones).

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

The square root of 1953944 is about 1397.8354695743. The cubic root of 1953944 is about 125.0174695584.

The spelling of 1953944 in words is "one million, nine hundred fifty-three thousand, nine hundred forty-four".