1953444 has 12 divisors (see below), whose sum is σ = 4558064. Its totient is φ = 651144.

The previous prime is 1953437. The next prime is 1953451. The reversal of 1953444 is 4443591.

It is an interprime number because it is at equal distance from previous prime (1953437) and next prime (1953451).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1953444² = 7631886922272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81382 + ... + 81405.

2^1953444 is an apocalyptic number.

It is an amenable number.

1953444 is an abundant number, since it is smaller than the sum of its proper divisors (2604620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1953444 is a wasteful number, since it uses less digits than its factorization.

1953444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162794 (or 162792 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1953444 is about 1397.6566101872. The cubic root of 1953444 is about 125.0068049629.

The spelling of 1953444 in words is "one million, nine hundred fifty-three thousand, four hundred forty-four".