1163604 has 24 divisors (see below), whose sum is σ = 2924320. Its totient is φ = 357984.

The previous prime is 1163587. The next prime is 1163609. The reversal of 1163604 is 4063611.

1163604 = T₅₀₄ + T₅₀₅ + ... + T₅₁₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574 + ... + 3885.

2^1163604 is an apocalyptic number.

It is an amenable number.

1163604 is an abundant number, since it is smaller than the sum of its proper divisors (1760716).

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

1163604 is a wasteful number, since it uses less digits than its factorization.

1163604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1163604 is about 1078.7047788899. The cubic root of 1163604 is about 105.1804606446.

The spelling of 1163604 in words is "one million, one hundred sixty-three thousand, six hundred four".