1401488 has 20 divisors (see below), whose sum is σ = 2962608. Its totient is φ = 636960.

The previous prime is 1401487. The next prime is 1401511. The reversal of 1401488 is 8841041.

It is a super-2 number, since 2×1401488² = 3928337228288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401481) 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, 3806 + ... + 4157.

2^1401488 is an apocalyptic number.

It is an amenable number.

1401488 is an abundant number, since it is smaller than the sum of its proper divisors (1561120).

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

1401488 is a wasteful number, since it uses less digits than its factorization.

1401488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7976 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1401488 is about 1183.8445843944. The cubic root of 1401488 is about 111.9085137259.

The spelling of 1401488 in words is "one million, four hundred one thousand, four hundred eighty-eight".