1945516 has 6 divisors (see below), whose sum is σ = 3404660. Its totient is φ = 972756.

The previous prime is 1945511. The next prime is 1945519. The reversal of 1945516 is 6155491.

It is not an unprimeable number, because it can be changed into a prime (1945511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243186 + ... + 243193.

2^1945516 is an apocalyptic number.

It is an amenable number.

1945516 is a deficient number, since it is larger than the sum of its proper divisors (1459144).

1945516 is a wasteful number, since it uses less digits than its factorization.

1945516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486383 (or 486381 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 1945516 is about 1394.8175507929. The cubic root of 1945516 is about 124.8374634131.

The spelling of 1945516 in words is "one million, nine hundred forty-five thousand, five hundred sixteen".