1493406424 has 8 divisors (see below), whose sum is σ = 2800137060. Its totient is φ = 746703208.

The previous prime is 1493406391. The next prime is 1493406433. The reversal of 1493406424 is 4246043941.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93337894 + ... + 93337909.

Almost surely, 2^1493406424 is an apocalyptic number.

It is an amenable number.

1493406424 is a deficient number, since it is larger than the sum of its proper divisors (1306730636).

1493406424 is a wasteful number, since it uses less digits than its factorization.

1493406424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186675809 (or 186675805 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1493406424 is about 38644.6170119462. The cubic root of 1493406424 is about 1143.0344988384.

The spelling of 1493406424 in words is "one billion, four hundred ninety-three million, four hundred six thousand, four hundred twenty-four".