1942497 has 6 divisors (see below), whose sum is σ = 2805842. Its totient is φ = 1294992.

The previous prime is 1942487. The next prime is 1942519. The reversal of 1942497 is 7942491.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 136161 = 1344^2 + 369^2 .

It is not a de Polignac number, because 1942497 - 2⁴ = 1942481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107908 + ... + 107925.

2^1942497 is an apocalyptic number.

It is an amenable number.

1942497 is a deficient number, since it is larger than the sum of its proper divisors (863345).

1942497 is a wasteful number, since it uses less digits than its factorization.

1942497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215839 (or 215836 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1942497 is about 1393.7349102322. The cubic root of 1942497 is about 124.7728568312.

The spelling of 1942497 in words is "one million, nine hundred forty-two thousand, four hundred ninety-seven".