1479840 has 48 divisors (see below), whose sum is σ = 4663008. Its totient is φ = 394496.

The previous prime is 1479839. The next prime is 1479851. The reversal of 1479840 is 489741.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1062 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (97146).

2^1479840 is an apocalyptic number.

1479840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1479840 is an abundant number, since it is smaller than the sum of its proper divisors (3183168).

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

1479840 is a wasteful number, since it uses less digits than its factorization.

1479840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1479840 is about 1216.4867446873. The cubic root of 1479840 is about 113.9562774776.

Subtracting from 1479840 its reverse (489741), we obtain a palindrome (990099).

The spelling of 1479840 in words is "one million, four hundred seventy-nine thousand, eight hundred forty".