19961346 has 8 divisors (see below), whose sum is σ = 39922704. Its totient is φ = 6653780.

The previous prime is 19961329. The next prime is 19961351. The reversal of 19961346 is 64316991.

It is a sphenic number, since it is the product of 3 distinct primes.

19961346 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663440 + ... + 1663451.

It is an arithmetic number, because the mean of its divisors is an integer number (4990338).

Almost surely, 2^19961346 is an apocalyptic number.

19961346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19961346 is a wasteful number, since it uses less digits than its factorization.

19961346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326896.

The product of its digits is 34992, while the sum is 39.

The square root of 19961346 is about 4467.8122162866. The cubic root of 19961346 is about 271.2667770492.

The spelling of 19961346 in words is "nineteen million, nine hundred sixty-one thousand, three hundred forty-six".