604047981 has 16 divisors (see below), whose sum is σ = 850572800. Its totient is φ = 380250288.

The previous prime is 604047953. The next prime is 604048001. The reversal of 604047981 is 189740406.

It is a happy number.

It is not a de Polignac number, because 604047981 - 2⁵ = 604047949 is a prime.

It is a super-2 number, since 2×604047981² = 729747926700352722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604047911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 34758.

It is an arithmetic number, because the mean of its divisors is an integer number (53160800).

Almost surely, 2^604047981 is an apocalyptic number.

It is an amenable number.

604047981 is a deficient number, since it is larger than the sum of its proper divisors (246524819).

604047981 is a wasteful number, since it uses less digits than its factorization.

604047981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34848.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 604047981 is about 24577.3875951046. The cubic root of 604047981 is about 845.3251930432.

The spelling of 604047981 in words is "six hundred four million, forty-seven thousand, nine hundred eighty-one".