619948 has 18 divisors (see below), whose sum is σ = 1262436. Its totient is φ = 265608.

The previous prime is 619921. The next prime is 619967. The reversal of 619948 is 849916.

It is an unprimeable number.

619948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 5 ways as a sum of consecutive naturals, for example, 1386 + ... + 1777.

2⁶¹⁹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

619948 is an abundant number, since it is smaller than the sum of its proper divisors (642488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

619948 is a wasteful number, since it uses less digits than its factorization.

619948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181 (or 3172 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 619948 is about 787.3677666758. The cubic root of 619948 is about 85.2678058684.

The spelling of 619948 in words is "six hundred nineteen thousand, nine hundred forty-eight".