1858994130 has 32 divisors (see below), whose sum is σ = 5098955904. Its totient is φ = 424912896.

The previous prime is 1858994099. The next prime is 1858994177. The reversal of 1858994130 is 314998581.

It is a self number, because there is not a number n which added to its sum of digits gives 1858994130.

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, 4425967 + ... + 4426386.

It is an arithmetic number, because the mean of its divisors is an integer number (159342372).

Almost surely, 2^1858994130 is an apocalyptic number.

1858994130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1858994130 is an abundant number, since it is smaller than the sum of its proper divisors (3239961774).

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

1858994130 is a wasteful number, since it uses less digits than its factorization.

1858994130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852370.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 1858994130 is about 43116.0542025821. The cubic root of 1858994130 is about 1229.5872168973.

The spelling of 1858994130 in words is "one billion, eight hundred fifty-eight million, nine hundred ninety-four thousand, one hundred thirty".