194462490 has 64 divisors (see below), whose sum is σ = 495766656. Its totient is φ = 48648192.

The previous prime is 194462483. The next prime is 194462497. The reversal of 194462490 is 94264491.

194462490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194462483) and next prime (194462497).

It is not an unprimeable number, because it can be changed into a prime (194462497) 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, 302109 + ... + 302751.

It is an arithmetic number, because the mean of its divisors is an integer number (7746354).

Almost surely, 2^194462490 is an apocalyptic number.

194462490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194462490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247883328).

194462490 is an abundant number, since it is smaller than the sum of its proper divisors (301304166).

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

194462490 is a wasteful number, since it uses less digits than its factorization.

194462490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 194462490 is about 13944.9808174841. The cubic root of 194462490 is about 579.3556955453.

The spelling of 194462490 in words is "one hundred ninety-four million, four hundred sixty-two thousand, four hundred ninety".