1969480 has 32 divisors (see below), whose sum is σ = 4519800. Its totient is φ = 772096.

The previous prime is 1969459. The next prime is 1969489. The reversal of 1969480 is 849691.

It can be written as a sum of positive squares in 4 ways, for example, as 1205604 + 763876 = 1098^2 + 874^2 .

It is an Ulam number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1969489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 2584.

2^1969480 is an apocalyptic number.

1969480 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 1969480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259900).

1969480 is an abundant number, since it is smaller than the sum of its proper divisors (2550320).

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

1969480 is a wasteful number, since it uses less digits than its factorization.

1969480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1969480 is about 1403.3816302061. The cubic root of 1969480 is about 125.3479372852.

The spelling of 1969480 in words is "one million, nine hundred sixty-nine thousand, four hundred eighty".