1994355 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 898560.

The previous prime is 1994347. The next prime is 1994357. The reversal of 1994355 is 5534991.

It is not a de Polignac number, because 1994355 - 2³ = 1994347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994357) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25206 + ... + 25284.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1994355 is an apocalyptic number.

1994355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1994355 is an abundant number, since it is smaller than the sum of its proper divisors (2152845).

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

1994355 is a wasteful number, since it uses less digits than its factorization.

1994355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 115 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 1994355 is about 1412.2163431996. The cubic root of 1994355 is about 125.8734557181.

It can be divided in two parts, 199 and 4355, that added together give a palindrome (4554).

The spelling of 1994355 in words is "one million, nine hundred ninety-four thousand, three hundred fifty-five".