1497980 has 36 divisors (see below), whose sum is σ = 3463320. Its totient is φ = 543840.

The previous prime is 1497961. The next prime is 1497983. The reversal of 1497980 is 897941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2111 + ... + 2729.

2^1497980 is an apocalyptic number.

1497980 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 1497980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731660).

1497980 is an abundant number, since it is smaller than the sum of its proper divisors (1965340).

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

1497980 is a wasteful number, since it uses less digits than its factorization.

1497980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1497980 is about 1223.9199320217. The cubic root of 1497980 is about 114.4200162215.

The spelling of 1497980 in words is "one million, four hundred ninety-seven thousand, nine hundred eighty".