1974454 has 4 divisors (see below), whose sum is σ = 2961684. Its totient is φ = 987226.

The previous prime is 1974433. The next prime is 1974457. The reversal of 1974454 is 4544791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4544791 = 79 ⋅57529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493612 + ... + 493615.

It is an arithmetic number, because the mean of its divisors is an integer number (740421).

2^1974454 is an apocalyptic number.

1974454 is a deficient number, since it is larger than the sum of its proper divisors (987230).

1974454 is an equidigital number, since it uses as much as digits as its factorization.

1974454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987229.

The product of its digits is 20160, while the sum is 34.

The square root of 1974454 is about 1405.1526607454. The cubic root of 1974454 is about 125.4533723070.

The spelling of 1974454 in words is "one million, nine hundred seventy-four thousand, four hundred fifty-four".