1889246814 has 64 divisors (see below), whose sum is σ = 4696634880. Its totient is φ = 493315200.

The previous prime is 1889246813. The next prime is 1889246819. The reversal of 1889246814 is 4186429881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889246813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38017 + ... + 72275.

It is an arithmetic number, because the mean of its divisors is an integer number (73384920).

Almost surely, 2^1889246814 is an apocalyptic number.

1889246814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1889246814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2348317440).

1889246814 is an abundant number, since it is smaller than the sum of its proper divisors (2807388066).

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

1889246814 is a wasteful number, since it uses less digits than its factorization.

1889246814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34385.

The product of its digits is 884736, while the sum is 51.

The square root of 1889246814 is about 43465.4669134015. The cubic root of 1889246814 is about 1236.2213303225.

The spelling of 1889246814 in words is "one billion, eight hundred eighty-nine million, two hundred forty-six thousand, eight hundred fourteen".