1921234946 has 8 divisors (see below), whose sum is σ = 2882505360. Its totient is φ = 960399828.

The previous prime is 1921234897. The next prime is 1921235009. The reversal of 1921234946 is 6494321291.

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

It is a super-2 number, since 2×1921234946² = 7382287435463245832, which contains 22 as substring.

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, 97556 + ... + 115583.

It is an arithmetic number, because the mean of its divisors is an integer number (360313170).

Almost surely, 2^1921234946 is an apocalyptic number.

1921234946 is a deficient number, since it is larger than the sum of its proper divisors (961270414).

1921234946 is a wasteful number, since it uses less digits than its factorization.

1921234946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217648.

The product of its digits is 93312, while the sum is 41.

The square root of 1921234946 is about 43831.8941639533. The cubic root of 1921234946 is about 1243.1594219605.

The spelling of 1921234946 in words is "one billion, nine hundred twenty-one million, two hundred thirty-four thousand, nine hundred forty-six".