1493839634 has 32 divisors (see below), whose sum is σ = 2619703296. Its totient is φ = 625554000.

The previous prime is 1493839631. The next prime is 1493839637. The reversal of 1493839634 is 4369383941.

It is an interprime number because it is at equal distance from previous prime (1493839631) and next prime (1493839637).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1493839631) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 492647 + ... + 495669.

It is an arithmetic number, because the mean of its divisors is an integer number (81865728).

Almost surely, 2^1493839634 is an apocalyptic number.

1493839634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1493839634 is a deficient number, since it is larger than the sum of its proper divisors (1125863662).

1493839634 is a wasteful number, since it uses less digits than its factorization.

1493839634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830.

The product of its digits is 1679616, while the sum is 50.

The square root of 1493839634 is about 38650.2216552506. The cubic root of 1493839634 is about 1143.1450126487.

The spelling of 1493839634 in words is "one billion, four hundred ninety-three million, eight hundred thirty-nine thousand, six hundred thirty-four".