1941904 has 10 divisors (see below), whose sum is σ = 3762470. Its totient is φ = 970944.

The previous prime is 1941889. The next prime is 1941931. The reversal of 1941904 is 4091491.

1941904 = 92² + 93² + ... + 187².

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 384400 = 1248^2 + 620^2 .

It is a super-2 number, since 2×1941904² = 7541982290432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60669 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (376247).

2^1941904 is an apocalyptic number.

It is an amenable number.

1941904 is a deficient number, since it is larger than the sum of its proper divisors (1820566).

1941904 is a wasteful number, since it uses less digits than its factorization.

1941904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121377 (or 121371 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1941904 is about 1393.5221562645. The cubic root of 1941904 is about 124.7601587705.

The spelling of 1941904 in words is "one million, nine hundred forty-one thousand, nine hundred four".