1994469 has 8 divisors (see below), whose sum is σ = 2721312. Its totient is φ = 1298640.

The previous prime is 1994467. The next prime is 1994471. The reversal of 1994469 is 9644991.

It is an interprime number because it is at equal distance from previous prime (1994467) and next prime (1994471).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1994469 - 2¹ = 1994467 is a prime.

It is a super-2 number, since 2×1994469² = 7955813183922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1994469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994467) 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, 7602 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (340164).

2^1994469 is an apocalyptic number.

It is an amenable number.

1994469 is a deficient number, since it is larger than the sum of its proper divisors (726843).

1994469 is a wasteful number, since it uses less digits than its factorization.

1994469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507.

The product of its digits is 69984, while the sum is 42.

The square root of 1994469 is about 1412.2567047106. The cubic root of 1994469 is about 125.8758540374.

The spelling of 1994469 in words is "one million, nine hundred ninety-four thousand, four hundred sixty-nine".