1897086966 has 16 divisors (see below), whose sum is σ = 3959138304. Its totient is φ = 604868264.

The previous prime is 1897086959. The next prime is 1897086973. The reversal of 1897086966 is 6696807981.

It is an interprime number because it is at equal distance from previous prime (1897086959) and next prime (1897086973).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6873366 + ... + 6873641.

It is an arithmetic number, because the mean of its divisors is an integer number (247446144).

Almost surely, 2^1897086966 is an apocalyptic number.

1897086966 is an abundant number, since it is smaller than the sum of its proper divisors (2062051338).

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

1897086966 is a wasteful number, since it uses less digits than its factorization.

1897086966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13747035.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 1897086966 is about 43555.5618262467. The cubic root of 1897086966 is about 1237.9290279397.

The spelling of 1897086966 in words is "one billion, eight hundred ninety-seven million, eighty-six thousand, nine hundred sixty-six".