196387458 has 32 divisors (see below), whose sum is σ = 423541440. Its totient is φ = 60503040.

The previous prime is 196387441. The next prime is 196387517. The reversal of 196387458 is 854783691.

It is a self number, because there is not a number n which added to its sum of digits gives 196387458.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16335 + ... + 25682.

It is an arithmetic number, because the mean of its divisors is an integer number (13235670).

Almost surely, 2^196387458 is an apocalyptic number.

196387458 is an abundant number, since it is smaller than the sum of its proper divisors (227153982).

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

196387458 is a wasteful number, since it uses less digits than its factorization.

196387458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42082.

The product of its digits is 1451520, while the sum is 51.

The square root of 196387458 is about 14013.8309537400. The cubic root of 196387458 is about 581.2610868044.

The spelling of 196387458 in words is "one hundred ninety-six million, three hundred eighty-seven thousand, four hundred fifty-eight".