1897446462 has 16 divisors (see below), whose sum is σ = 3887451792. Its totient is φ = 617055680.

The previous prime is 1897446461. The next prime is 1897446487. The reversal of 1897446462 is 2646447981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897446461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3856353 + ... + 3856844.

It is an arithmetic number, because the mean of its divisors is an integer number (242965737).

Almost surely, 2^1897446462 is an apocalyptic number.

1897446462 is an abundant number, since it is smaller than the sum of its proper divisors (1990005330).

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

1897446462 is a wasteful number, since it uses less digits than its factorization.

1897446462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713243.

The product of its digits is 2322432, while the sum is 51.

The square root of 1897446462 is about 43559.6884975088. The cubic root of 1897446462 is about 1238.0072184205.

The spelling of 1897446462 in words is "one billion, eight hundred ninety-seven million, four hundred forty-six thousand, four hundred sixty-two".