1493328405 has 8 divisors (see below), whose sum is σ = 2389325472. Its totient is φ = 796441808.

The previous prime is 1493328401. The next prime is 1493328461. The reversal of 1493328405 is 5048233941.

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 1493328405 - 2² = 1493328401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493328401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49777599 + ... + 49777628.

It is an arithmetic number, because the mean of its divisors is an integer number (298665684).

Almost surely, 2^1493328405 is an apocalyptic number.

1493328405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493328405 is a deficient number, since it is larger than the sum of its proper divisors (895997067).

1493328405 is an equidigital number, since it uses as much as digits as its factorization.

1493328405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99555235.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1493328405 is about 38643.6075567486. The cubic root of 1493328405 is about 1143.0145935713.

The spelling of 1493328405 in words is "one billion, four hundred ninety-three million, three hundred twenty-eight thousand, four hundred five".