1994465 has 8 divisors (see below), whose sum is σ = 2611008. Its totient is φ = 1450480.

The previous prime is 1994459. The next prime is 1994467. The reversal of 1994465 is 5644991.

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

It is not a de Polignac number, because 1994465 - 2¹⁰ = 1993441 is a prime.

It is a super-3 number, since 3×1994465³ = 23801290943335483875, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1994467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18077 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (326376).

2^1994465 is an apocalyptic number.

It is an amenable number.

1994465 is a deficient number, since it is larger than the sum of its proper divisors (616543).

1994465 is a wasteful number, since it uses less digits than its factorization.

1994465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36279.

The product of its digits is 38880, while the sum is 38.

The square root of 1994465 is about 1412.2552885367. The cubic root of 1994465 is about 125.8757698874.

It can be divided in two parts, 199 and 4465, that added together give a palindrome (4664).

The spelling of 1994465 in words is "one million, nine hundred ninety-four thousand, four hundred sixty-five".