1993454058 has 16 divisors (see below), whose sum is σ = 3987658080. Its totient is φ = 664359696.

The previous prime is 1993454041. The next prime is 1993454083. The reversal of 1993454058 is 8504543991.

It is a junction number, because it is equal to n+sod(n) for n = 1993453998 and 1993454016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888 + ... + 63516.

It is an arithmetic number, because the mean of its divisors is an integer number (249228630).

Almost surely, 2^1993454058 is an apocalyptic number.

1993454058 is an abundant number, since it is smaller than the sum of its proper divisors (1994204022).

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

1993454058 is a wasteful number, since it uses less digits than its factorization.

1993454058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62501.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 1993454058 is about 44648.1137115556. The cubic root of 1993454058 is about 1258.5449858424.

The spelling of 1993454058 in words is "one billion, nine hundred ninety-three million, four hundred fifty-four thousand, fifty-eight".