1481693946 has 8 divisors (see below), whose sum is σ = 2963387904. Its totient is φ = 493897980.

The previous prime is 1481693909. The next prime is 1481693951. The reversal of 1481693946 is 6493961841.

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

1481693946 is an admirable number.

It is a super-3 number, since 3×1481693946³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 123474490 + ... + 123474501.

It is an arithmetic number, because the mean of its divisors is an integer number (370423488).

Almost surely, 2^1481693946 is an apocalyptic number.

1481693946 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.

1481693946 is a wasteful number, since it uses less digits than its factorization.

1481693946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246948996.

The product of its digits is 1119744, while the sum is 51.

The square root of 1481693946 is about 38492.7778420836. Note that the first 3 decimals coincide. The cubic root of 1481693946 is about 1140.0384582286.

The spelling of 1481693946 in words is "one billion, four hundred eighty-one million, six hundred ninety-three thousand, nine hundred forty-six".