619474 has 4 divisors (see below), whose sum is σ = 929214. Its totient is φ = 309736.

The previous prime is 619471. The next prime is 619477. The reversal of 619474 is 474916.

619474 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (619471) and next prime (619477).

It can be written as a sum of positive squares in only one way, i.e., 616225 + 3249 = 785^2 + 57^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (619471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154867 + ... + 154870.

2⁶¹⁹⁴⁷⁴ is an apocalyptic number.

619474 is a deficient number, since it is larger than the sum of its proper divisors (309740).

619474 is a wasteful number, since it uses less digits than its factorization.

619474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309739.

The product of its digits is 6048, while the sum is 31.

The square root of 619474 is about 787.0667061946. The cubic root of 619474 is about 85.2460689673.

The spelling of 619474 in words is "six hundred nineteen thousand, four hundred seventy-four".