1429980 has 24 divisors (see below), whose sum is σ = 4004112. Its totient is φ = 381312.

The previous prime is 1429969. The next prime is 1430027. The reversal of 1429980 is 899241.

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, 11857 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (166838).

2^1429980 is an apocalyptic number.

1429980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429980 is an abundant number, since it is smaller than the sum of its proper divisors (2574132).

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

1429980 is a wasteful number, since it uses less digits than its factorization.

1429980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23845 (or 23843 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1429980 is about 1195.8177118608. The cubic root of 1429980 is about 112.6617918988.

The spelling of 1429980 in words is "one million, four hundred twenty-nine thousand, nine hundred eighty".