608454990 has 384 divisors, whose sum is σ = 2060577792. Its totient is φ = 126904320.

The previous prime is 608454983. The next prime is 608455009. The reversal of 608454990 is 99454806.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5907279 + ... + 5907381.

It is an arithmetic number, because the mean of its divisors is an integer number (5366088).

Almost surely, 2^608454990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608454990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030288896).

608454990 is an abundant number, since it is smaller than the sum of its proper divisors (1452122802).

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

608454990 is a wasteful number, since it uses less digits than its factorization.

608454990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 608454990 is about 24666.8804270017. The cubic root of 608454990 is about 847.3759862397.

The spelling of 608454990 in words is "six hundred eight million, four hundred fifty-four thousand, nine hundred ninety".