1481538 has 8 divisors (see below), whose sum is σ = 2963088. Its totient is φ = 493844.

The previous prime is 1481537. The next prime is 1481539. The reversal of 1481538 is 8351841.

It is an interprime number because it is at equal distance from previous prime (1481537) and next prime (1481539).

It is a sphenic number, since it is the product of 3 distinct primes.

1481538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1481537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123456 + ... + 123467.

It is an arithmetic number, because the mean of its divisors is an integer number (370386).

2^1481538 is an apocalyptic number.

1481538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1481538 is a wasteful number, since it uses less digits than its factorization.

1481538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246928.

The product of its digits is 3840, while the sum is 30.

The square root of 1481538 is about 1217.1844560296. The cubic root of 1481538 is about 113.9998461063. Note that the first 3 decimals are identical.

The spelling of 1481538 in words is "one million, four hundred eighty-one thousand, five hundred thirty-eight".