1378488 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 435168.

The previous prime is 1378441. The next prime is 1378499. The reversal of 1378488 is 8848731.

It is a super-2 number, since 2×1378488² = 3800458332288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1378488 is an apocalyptic number.

It is an amenable number.

1378488 is an abundant number, since it is smaller than the sum of its proper divisors (2250312).

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

1378488 is a wasteful number, since it uses less digits than its factorization.

1378488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3047 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 1378488 is about 1174.0902861365. The cubic root of 1378488 is about 111.2929523157.

The spelling of 1378488 in words is "one million, three hundred seventy-eight thousand, four hundred eighty-eight".