1604100 has 36 divisors (see below), whose sum is σ = 4642064. Its totient is φ = 427680.

The previous prime is 1604093. The next prime is 1604101. The reversal of 1604100 is 14061.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1604101) 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, 2374 + ... + 2973.

2^1604100 is an apocalyptic number.

1604100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604100 is an abundant number, since it is smaller than the sum of its proper divisors (3037964).

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

1604100 is a wasteful number, since it uses less digits than its factorization.

1604100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5357 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1604100 is about 1266.5306944563. The cubic root of 1604100 is about 117.0605282546.

Adding to 1604100 its reverse (14061), we get a palindrome (1618161).

The spelling of 1604100 in words is "one million, six hundred four thousand, one hundred".