1949197 has 8 divisors (see below), whose sum is σ = 2021600. Its totient is φ = 1877904.

The previous prime is 1949179. The next prime is 1949201. The reversal of 1949197 is 7919491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1949197 - 2¹¹ = 1947149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4954 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (252700).

2^1949197 is an apocalyptic number.

It is an amenable number.

1949197 is a deficient number, since it is larger than the sum of its proper divisors (72403).

1949197 is a wasteful number, since it uses less digits than its factorization.

1949197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555.

The product of its digits is 20412, while the sum is 40.

The square root of 1949197 is about 1396.1364546490. The cubic root of 1949197 is about 124.9161464279.

The spelling of 1949197 in words is "one million, nine hundred forty-nine thousand, one hundred ninety-seven".