1969416 has 48 divisors (see below), whose sum is σ = 5651100. Its totient is φ = 617472.

The previous prime is 1969411. The next prime is 1969423. The reversal of 1969416 is 6149691.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 396900 = 1254^2 + 630^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1969411) 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, 420 + ... + 2028.

2^1969416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1969416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825550).

1969416 is an abundant number, since it is smaller than the sum of its proper divisors (3681684).

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

1969416 is a wasteful number, since it uses less digits than its factorization.

1969416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1631 counting only the distinct ones).

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

The square root of 1969416 is about 1403.3588279553. The cubic root of 1969416 is about 125.3465795064.

The spelling of 1969416 in words is "one million, nine hundred sixty-nine thousand, four hundred sixteen".