1890814712 has 32 divisors (see below), whose sum is σ = 3638113920. Its totient is φ = 920732160.

The previous prime is 1890814691. The next prime is 1890814729. The reversal of 1890814712 is 2174180981.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 1890814712.

It is a congruent number.

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, 194348 + ... + 203844.

It is an arithmetic number, because the mean of its divisors is an integer number (113691060).

Almost surely, 2^1890814712 is an apocalyptic number.

It is an amenable number.

1890814712 is a deficient number, since it is larger than the sum of its proper divisors (1747299208).

1890814712 is a wasteful number, since it uses less digits than its factorization.

1890814712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1890814712 is about 43483.4993072085. The cubic root of 1890814712 is about 1236.5632184213.

The spelling of 1890814712 in words is "one billion, eight hundred ninety million, eight hundred fourteen thousand, seven hundred twelve".