1945412 has 48 divisors (see below), whose sum is σ = 4249728. Its totient is φ = 760320.

The previous prime is 1945403. The next prime is 1945439. The reversal of 1945412 is 2145491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29003 + ... + 29069.

It is an arithmetic number, because the mean of its divisors is an integer number (88536).

2^1945412 is an apocalyptic number.

1945412 is the 1139-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124864).

1945412 is an abundant number, since it is smaller than the sum of its proper divisors (2304316).

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

1945412 is a wasteful number, since it uses less digits than its factorization.

1945412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1945412 is about 1394.7802694331. The cubic root of 1945412 is about 124.8352389257.

The spelling of 1945412 in words is "one million, nine hundred forty-five thousand, four hundred twelve".