1969380 has 96 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 449280.

The previous prime is 1969343. The next prime is 1969381. The reversal of 1969380 is 839691.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1969381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520 + ... + 4040.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2^1969380 is an apocalyptic number.

1969380 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 1969380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507840).

1969380 is an abundant number, since it is smaller than the sum of its proper divisors (5046300).

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

1969380 is a wasteful number, since it uses less digits than its factorization.

1969380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1969380 is about 1403.3460015264. The cubic root of 1969380 is about 125.3458157429.

The spelling of 1969380 in words is "one million, nine hundred sixty-nine thousand, three hundred eighty".