1604924 has 6 divisors (see below), whose sum is σ = 2808624. Its totient is φ = 802460.

The previous prime is 1604923. The next prime is 1604929. The reversal of 1604924 is 4294061.

It is a super-3 number, since 3×1604924³ = 12401798457333003072, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1604893 and 1604902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200612 + ... + 200619.

It is an arithmetic number, because the mean of its divisors is an integer number (468104).

2^1604924 is an apocalyptic number.

It is an amenable number.

1604924 is a deficient number, since it is larger than the sum of its proper divisors (1203700).

1604924 is a wasteful number, since it uses less digits than its factorization.

1604924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401235 (or 401233 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1604924 is about 1266.8559507695. The cubic root of 1604924 is about 117.0805688513.

Adding to 1604924 its reverse (4294061), we get a palindrome (5898985).

The spelling of 1604924 in words is "one million, six hundred four thousand, nine hundred twenty-four".