1407488 has 20 divisors (see below), whose sum is σ = 2813250. Its totient is φ = 703488.

The previous prime is 1407487. The next prime is 1407491. The reversal of 1407488 is 8847041.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 43264 = 1168^2 + 208^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1407487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863 + ... + 1886.

2^1407488 is an apocalyptic number.

It is an amenable number.

1407488 is a deficient number, since it is larger than the sum of its proper divisors (1405762).

1407488 is an frugal number, since it uses more digits than its factorization.

1407488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1407488 is about 1186.3759943627. The cubic root of 1407488 is about 112.0679859339.

The spelling of 1407488 in words is "one million, four hundred seven thousand, four hundred eighty-eight".