1673899458 has 128 divisors (see below), whose sum is σ = 4486772736. Its totient is φ = 402969600.

The previous prime is 1673899457. The next prime is 1673899471. The reversal of 1673899458 is 8549983761.

1673899458 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1673899457) 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, 524628 + ... + 527808.

It is an arithmetic number, because the mean of its divisors is an integer number (35052912).

Almost surely, 2^1673899458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673899458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243386368).

1673899458 is an abundant number, since it is smaller than the sum of its proper divisors (2812873278).

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

1673899458 is a wasteful number, since it uses less digits than its factorization.

1673899458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288.

The product of its digits is 13063680, while the sum is 60.

The square root of 1673899458 is about 40913.3163896548. The cubic root of 1673899458 is about 1187.3437109624.

The spelling of 1673899458 in words is "one billion, six hundred seventy-three million, eight hundred ninety-nine thousand, four hundred fifty-eight".