1946734421 has 8 divisors (see below), whose sum is σ = 2031892224. Its totient is φ = 1861619760.

The previous prime is 1946734411. The next prime is 1946734429. The reversal of 1946734421 is 1244376491.

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

It is a cyclic number.

It is not a de Polignac number, because 1946734421 - 2²⁶ = 1879625557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946734429) 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, 110651 + ... + 127031.

It is an arithmetic number, because the mean of its divisors is an integer number (253986528).

Almost surely, 2^1946734421 is an apocalyptic number.

It is an amenable number.

1946734421 is a deficient number, since it is larger than the sum of its proper divisors (85157803).

1946734421 is a wasteful number, since it uses less digits than its factorization.

1946734421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21571.

The product of its digits is 145152, while the sum is 41.

The square root of 1946734421 is about 44121.8134373464. The cubic root of 1946734421 is about 1248.6351868504.

The spelling of 1946734421 in words is "one billion, nine hundred forty-six million, seven hundred thirty-four thousand, four hundred twenty-one".