1946591340 has 48 divisors (see below), whose sum is σ = 5465698560. Its totient is φ = 517639360.

The previous prime is 1946591333. The next prime is 1946591351. The reversal of 1946591340 is 431956491.

It is a junction number, because it is equal to n+sod(n) for n = 1946591292 and 1946591301.

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, 23646 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (113868720).

Almost surely, 2^1946591340 is an apocalyptic number.

1946591340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1946591340 is an abundant number, since it is smaller than the sum of its proper divisors (3519107220).

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

1946591340 is a wasteful number, since it uses less digits than its factorization.

1946591340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90742 (or 90740 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1946591340 is about 44120.1919760103. The cubic root of 1946591340 is about 1248.6045953898.

The spelling of 1946591340 in words is "one billion, nine hundred forty-six million, five hundred ninety-one thousand, three hundred forty".