1955412 has 36 divisors (see below), whose sum is σ = 5116020. Its totient is φ = 628992.

The previous prime is 1955407. The next prime is 1955417. The reversal of 1955412 is 2145591.

It is an interprime number because it is at equal distance from previous prime (1955407) and next prime (1955417).

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 1527696 = 654^2 + 1236^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108 + ... + 1980.

2^1955412 is an apocalyptic number.

1955412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2558010).

1955412 is an abundant number, since it is smaller than the sum of its proper divisors (3160608).

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

1955412 is a wasteful number, since it uses less digits than its factorization.

1955412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1955412 is about 1398.3604685488. The cubic root of 1955412 is about 125.0487703025.

The spelling of 1955412 in words is "one million, nine hundred fifty-five thousand, four hundred twelve".