1955320 has 16 divisors (see below), whose sum is σ = 4399560. Its totient is φ = 782112.

The previous prime is 1955293. The next prime is 1955333. The reversal of 1955320 is 235591.

It is a congruent number.

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, 24402 + ... + 24481.

2^1955320 is an apocalyptic number.

1955320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1955320 is an abundant number, since it is smaller than the sum of its proper divisors (2444240).

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

1955320 is a wasteful number, since it uses less digits than its factorization.

1955320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48894 (or 48890 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1955320 is about 1398.3275724951. The cubic root of 1955320 is about 125.0468091357.

The spelling of 1955320 in words is "one million, nine hundred fifty-five thousand, three hundred twenty".