1940616 has 24 divisors (see below), whose sum is σ = 5256030. Its totient is φ = 646848.

The previous prime is 1940599. The next prime is 1940621. The reversal of 1940616 is 6160491.

1940616 is a `hidden beast` number, since 1 + 9 + 40 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 427716 = 1230^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1940616.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13405 + ... + 13548.

2^1940616 is an apocalyptic number.

It is an amenable number.

1940616 is an abundant number, since it is smaller than the sum of its proper divisors (3315414).

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

1940616 is a wasteful number, since it uses less digits than its factorization.

1940616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26958 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1940616 is about 1393.0599412803. The cubic root of 1940616 is about 124.7325695892.

It can be divided in two parts, 1940 and 616, that added together give a triangular number (2556 = T₇₁).

The spelling of 1940616 in words is "one million, nine hundred forty thousand, six hundred sixteen".