1949746 has 4 divisors (see below), whose sum is σ = 2924622. Its totient is φ = 974872.

The previous prime is 1949741. The next prime is 1949771. The reversal of 1949746 is 6479491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6479491 = 23 ⋅281717.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 3721 = 1395^2 + 61^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1949699 and 1949708.

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 as a sum of consecutive naturals, namely, 487435 + ... + 487438.

2^1949746 is an apocalyptic number.

1949746 is a deficient number, since it is larger than the sum of its proper divisors (974876).

1949746 is an equidigital number, since it uses as much as digits as its factorization.

1949746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974875.

The product of its digits is 54432, while the sum is 40.

The square root of 1949746 is about 1396.3330548261. Note that the first 3 decimals coincide. The cubic root of 1949746 is about 124.9278730563.

The spelling of 1949746 in words is "one million, nine hundred forty-nine thousand, seven hundred forty-six".