1479940 has 72 divisors (see below), whose sum is σ = 4003776. Its totient is φ = 446400.

The previous prime is 1479937. The next prime is 1479941. The reversal of 1479940 is 499741.

It is a junction number, because it is equal to n+sod(n) for n = 1479896 and 1479905.

It is not an unprimeable number, because it can be changed into a prime (1479941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47725 + ... + 47755.

It is an arithmetic number, because the mean of its divisors is an integer number (55608).

2^1479940 is an apocalyptic number.

1479940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1479940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001888).

1479940 is an abundant number, since it is smaller than the sum of its proper divisors (2523836).

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

1479940 is a wasteful number, since it uses less digits than its factorization.

1479940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1479940 is about 1216.5278459616. The cubic root of 1479940 is about 113.9588442801.

The spelling of 1479940 in words is "one million, four hundred seventy-nine thousand, nine hundred forty".