1955572 has 6 divisors (see below), whose sum is σ = 3422258. Its totient is φ = 977784.

The previous prime is 1955543. The next prime is 1955579. The reversal of 1955572 is 2755591.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 306916 = 1284^2 + 554^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244443 + ... + 244450.

2^1955572 is an apocalyptic number.

It is an amenable number.

1955572 is a deficient number, since it is larger than the sum of its proper divisors (1466686).

1955572 is a wasteful number, since it uses less digits than its factorization.

1955572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488897 (or 488895 counting only the distinct ones).

The product of its digits is 15750, while the sum is 34.

The square root of 1955572 is about 1398.4176772338. The cubic root of 1955572 is about 125.0521808809.

It can be divided in two parts, 1955 and 572, that multiplied together give a triangular number (1118260 = T₁₄₉₅).

The spelling of 1955572 in words is "one million, nine hundred fifty-five thousand, five hundred seventy-two".