1204380 has 36 divisors (see below), whose sum is σ = 3653832. Its totient is φ = 321120.

The previous prime is 1204369. The next prime is 1204397. The reversal of 1204380 is 834021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3166 + ... + 3525.

2^1204380 is an apocalyptic number.

1204380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204380 is an abundant number, since it is smaller than the sum of its proper divisors (2449452).

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

1204380 is a wasteful number, since it uses less digits than its factorization.

1204380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1204380 is about 1097.4424814085. The cubic root of 1204380 is about 106.3949900594.

The spelling of 1204380 in words is "one million, two hundred four thousand, three hundred eighty".