1488731 has 4 divisors (see below), whose sum is σ = 1495200. Its totient is φ = 1482264.

The previous prime is 1488727. The next prime is 1488737. The reversal of 1488731 is 1378841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1488731 - 2² = 1488727 is a prime.

It is a super-2 number, since 2×1488731² = 4432639980722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1488737) 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, 2876 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (373800).

2^1488731 is an apocalyptic number.

1488731 is a deficient number, since it is larger than the sum of its proper divisors (6469).

1488731 is an equidigital number, since it uses as much as digits as its factorization.

1488731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its digits is 5376, while the sum is 32.

The square root of 1488731 is about 1220.1356481965. The cubic root of 1488731 is about 114.1840414946.

The spelling of 1488731 in words is "one million, four hundred eighty-eight thousand, seven hundred thirty-one".