1238380 has 48 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 414720.

The previous prime is 1238371. The next prime is 1238381. The reversal of 1238380 is 838321.

1238380 = T₄₆₉ + T₄₇₀ + ... + T₄₇₉.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1238381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (63798).

2^1238380 is an apocalyptic number.

1238380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531152).

1238380 is an abundant number, since it is smaller than the sum of its proper divisors (1823924).

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

1238380 is a wasteful number, since it uses less digits than its factorization.

1238380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1238380 is about 1112.8252333588. The cubic root of 1238380 is about 107.3869010631.

The spelling of 1238380 in words is "one million, two hundred thirty-eight thousand, three hundred eighty".