604986381 has 16 divisors (see below), whose sum is σ = 905520000. Its totient is φ = 399164544.

The previous prime is 604986379. The next prime is 604986401. The reversal of 604986381 is 183689406.

604986381 is a `hidden beast` number, since 6 + 0 + 4 + 9 + 8 + 638 + 1 = 666.

It is not a de Polignac number, because 604986381 - 2¹ = 604986379 is a prime.

It is a super-2 number, since 2×604986381² = 732017042390954322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604986331) 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 15 ways as a sum of consecutive naturals, for example, 112881 + ... + 118118.

It is an arithmetic number, because the mean of its divisors is an integer number (56595000).

Almost surely, 2^604986381 is an apocalyptic number.

It is an amenable number.

604986381 is a deficient number, since it is larger than the sum of its proper divisors (300533619).

604986381 is a wasteful number, since it uses less digits than its factorization.

604986381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231105 (or 231099 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 604986381 is about 24596.4709053962. The cubic root of 604986381 is about 845.7627094670.

The spelling of 604986381 in words is "six hundred four million, nine hundred eighty-six thousand, three hundred eighty-one".