1954419 has 4 divisors (see below), whose sum is σ = 2605896. Its totient is φ = 1302944.

The previous prime is 1954411. The next prime is 1954423. The reversal of 1954419 is 9144591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9144591 = 3 ⋅3048197.

It is a cyclic number.

It is not a de Polignac number, because 1954419 - 2³ = 1954411 is a prime.

It is a super-2 number, since 2×1954419² = 7639507255122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1954419.

It is not an unprimeable number, because it can be changed into a prime (1954411) 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 3 ways as a sum of consecutive naturals, for example, 325734 + ... + 325739.

It is an arithmetic number, because the mean of its divisors is an integer number (651474).

2^1954419 is an apocalyptic number.

1954419 is a deficient number, since it is larger than the sum of its proper divisors (651477).

1954419 is an equidigital number, since it uses as much as digits as its factorization.

1954419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651476.

The product of its digits is 6480, while the sum is 33.

The square root of 1954419 is about 1398.0053647966. The cubic root of 1954419 is about 125.0275992391.

The spelling of 1954419 in words is "one million, nine hundred fifty-four thousand, four hundred nineteen".