1949744 has 20 divisors (see below), whose sum is σ = 3801096. Its totient is φ = 968832.

The previous prime is 1949741. The next prime is 1949771. The reversal of 1949744 is 4479491.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1949698 and 1949707.

It is not an unprimeable number, because it can be changed into a prime (1949741) 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, 3467 + ... + 3989.

2^1949744 is an apocalyptic number.

It is an amenable number.

1949744 is a deficient number, since it is larger than the sum of its proper divisors (1851352).

1949744 is a wasteful number, since it uses less digits than its factorization.

1949744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1949744 is about 1396.3323386644. The cubic root of 1949744 is about 124.9278303403.

The spelling of 1949744 in words is "one million, nine hundred forty-nine thousand, seven hundred forty-four".