1955424 has 24 divisors (see below), whose sum is σ = 5133240. Its totient is φ = 651776.

The previous prime is 1955417. The next prime is 1955467. The reversal of 1955424 is 4245591.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1955391 and 1955400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10089 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (213885).

2^1955424 is an apocalyptic number.

It is an amenable number.

1955424 is an abundant number, since it is smaller than the sum of its proper divisors (3177816).

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

1955424 is a wasteful number, since it uses less digits than its factorization.

1955424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382 (or 20374 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1955424 is about 1398.3647592814. The cubic root of 1955424 is about 125.0490261023.

The spelling of 1955424 in words is "one million, nine hundred fifty-five thousand, four hundred twenty-four".