1429878738 has 32 divisors (see below), whose sum is σ = 3029607360. Its totient is φ = 448348160.

The previous prime is 1429878701. The next prime is 1429878739. The reversal of 1429878738 is 8378789241.

It is not an unprimeable number, because it can be changed into a prime (1429878739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337453 + ... + 341663.

It is an arithmetic number, because the mean of its divisors is an integer number (94675230).

Almost surely, 2^1429878738 is an apocalyptic number.

1429878738 is an abundant number, since it is smaller than the sum of its proper divisors (1599728622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429878738 is a wasteful number, since it uses less digits than its factorization.

1429878738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562.

The product of its digits is 5419008, while the sum is 57.

The square root of 1429878738 is about 37813.7374243806. The cubic root of 1429878738 is about 1126.5913250780.

The spelling of 1429878738 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-eight thousand, seven hundred thirty-eight".