1946997 has 30 divisors (see below), whose sum is σ = 3206742. Its totient is φ = 1170288.

The previous prime is 1946981. The next prime is 1946999. The reversal of 1946997 is 7996491.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 599076 = 1161^2 + 774^2 .

It is not a de Polignac number, because 1946997 - 2⁴ = 1946981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946999) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 45258 + ... + 45300.

2^1946997 is an apocalyptic number.

It is an amenable number.

1946997 is a deficient number, since it is larger than the sum of its proper divisors (1259745).

1946997 is an equidigital number, since it uses as much as digits as its factorization.

1946997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 59 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 1946997 is about 1395.3483436046. The cubic root of 1946997 is about 124.8691323705.

The spelling of 1946997 in words is "one million, nine hundred forty-six thousand, nine hundred ninety-seven".