1974497 has 4 divisors (see below), whose sum is σ = 2256576. Its totient is φ = 1692420.

The previous prime is 1974493. The next prime is 1974503. The reversal of 1974497 is 7944791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1974497 - 2² = 1974493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1974493) 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, 141029 + ... + 141042.

It is an arithmetic number, because the mean of its divisors is an integer number (564144).

2^1974497 is an apocalyptic number.

It is an amenable number.

1974497 is a deficient number, since it is larger than the sum of its proper divisors (282079).

1974497 is an equidigital number, since it uses as much as digits as its factorization.

1974497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282078.

The product of its digits is 63504, while the sum is 41.

The square root of 1974497 is about 1405.1679614907. The cubic root of 1974497 is about 125.4542830155.

The spelling of 1974497 in words is "one million, nine hundred seventy-four thousand, four hundred ninety-seven".