1494331403 has 8 divisors (see below), whose sum is σ = 1511043072. Its totient is φ = 1477697256.

The previous prime is 1494331379. The next prime is 1494331411. The reversal of 1494331403 is 3041334941.

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 1494331403 - 2⁶ = 1494331339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1494331403.

It is not an unprimeable number, because it can be changed into a prime (1494331453) 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, 19826 + ... + 58152.

It is an arithmetic number, because the mean of its divisors is an integer number (188880384).

Almost surely, 2^1494331403 is an apocalyptic number.

1494331403 is a deficient number, since it is larger than the sum of its proper divisors (16711669).

1494331403 is a wasteful number, since it uses less digits than its factorization.

1494331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38761.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1494331403 is about 38656.5829193425. The cubic root of 1494331403 is about 1143.2704392319.

The spelling of 1494331403 in words is "one billion, four hundred ninety-four million, three hundred thirty-one thousand, four hundred three".