604401231 has 12 divisors (see below), whose sum is σ = 937438872. Its totient is φ = 345372048.

The previous prime is 604401227. The next prime is 604401233. The reversal of 604401231 is 132104406.

It is not a de Polignac number, because 604401231 - 2² = 604401227 is a prime.

It is a super-2 number, since 2×604401231² = 730601696068630722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 604401198 and 604401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604401233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2055640 + ... + 2055933.

It is an arithmetic number, because the mean of its divisors is an integer number (78119906).

Almost surely, 2^604401231 is an apocalyptic number.

604401231 is a deficient number, since it is larger than the sum of its proper divisors (333037641).

604401231 is a wasteful number, since it uses less digits than its factorization.

604401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111590 (or 4111583 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 604401231 is about 24584.5730286292. The cubic root of 604401231 is about 845.4899442677.

Adding to 604401231 its reverse (132104406), we get a palindrome (736505637).

The spelling of 604401231 in words is "six hundred four million, four hundred one thousand, two hundred thirty-one".