1945916 has 12 divisors (see below), whose sum is σ = 3891888. Its totient is φ = 833952.

The previous prime is 1945913. The next prime is 1945919. The reversal of 1945916 is 6195491.

It is an interprime number because it is at equal distance from previous prime (1945913) and next prime (1945919).

1945916 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34721 + ... + 34776.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

2^1945916 is an apocalyptic number.

It is an amenable number.

1945916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1945916 is a wasteful number, since it uses less digits than its factorization.

1945916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69508 (or 69506 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 1945916 is about 1394.9609313526. The cubic root of 1945916 is about 124.8460183952.

The spelling of 1945916 in words is "one million, nine hundred forty-five thousand, nine hundred sixteen".