1407980 has 48 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 473088.

The previous prime is 1407971. The next prime is 1407997. The reversal of 1407980 is 897041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12404 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1407980 is an apocalyptic number.

1407980 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 1407980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1407980 is an abundant number, since it is smaller than the sum of its proper divisors (2039380).

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

1407980 is a wasteful number, since it uses less digits than its factorization.

1407980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1407980 is about 1186.5833304071. The cubic root of 1407980 is about 112.0810425344.

The spelling of 1407980 in words is "one million, four hundred seven thousand, nine hundred eighty".