1953454 has 4 divisors (see below), whose sum is σ = 2930184. Its totient is φ = 976726.

The previous prime is 1953451. The next prime is 1953463. The reversal of 1953454 is 4543591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4543591 = 13 ⋅349507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488362 + ... + 488365.

It is an arithmetic number, because the mean of its divisors is an integer number (732546).

2^1953454 is an apocalyptic number.

1953454 is a deficient number, since it is larger than the sum of its proper divisors (976730).

1953454 is an equidigital number, since it uses as much as digits as its factorization.

1953454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976729.

The product of its digits is 10800, while the sum is 31.

The square root of 1953454 is about 1397.6601875993. The cubic root of 1953454 is about 125.0070182726.

The spelling of 1953454 in words is "one million, nine hundred fifty-three thousand, four hundred fifty-four".