1941555 has 48 divisors (see below), whose sum is σ = 3969792. Its totient is φ = 787200.

The previous prime is 1941547. The next prime is 1941557. The reversal of 1941555 is 5551491.

It is not a de Polignac number, because 1941555 - 2³ = 1941547 is a prime.

1941555 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47335 + ... + 47375.

It is an arithmetic number, because the mean of its divisors is an integer number (82704).

2^1941555 is an apocalyptic number.

1941555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1941555 is an abundant number, since it is smaller than the sum of its proper divisors (2028237).

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

1941555 is a wasteful number, since it uses less digits than its factorization.

1941555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 67 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 1941555 is about 1393.3969283732. The cubic root of 1941555 is about 124.7526843357.

The spelling of 1941555 in words is "one million, nine hundred forty-one thousand, five hundred fifty-five".