1488399 has 32 divisors (see below), whose sum is σ = 2363904. Its totient is φ = 823680.

The previous prime is 1488379. The next prime is 1488413. The reversal of 1488399 is 9938841.

1488399 = T₂₁₀ + T₂₁₁ + ... + T₂₆₂.

It is a Cunningham number, because it is equal to 1220²-1.

It is not a de Polignac number, because 1488399 - 2⁸ = 1488143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1488399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28057 + ... + 28109.

It is an arithmetic number, because the mean of its divisors is an integer number (73872).

2^1488399 is an apocalyptic number.

1488399 is a deficient number, since it is larger than the sum of its proper divisors (875505).

1488399 is a wasteful number, since it uses less digits than its factorization.

1488399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 62208, while the sum is 42.

The square root of 1488399 is about 1219.9995901639. Note that the first 3 decimals coincide. The cubic root of 1488399 is about 114.1755528511.

The spelling of 1488399 in words is "one million, four hundred eighty-eight thousand, three hundred ninety-nine".