1029438108 has 36 divisors (see below), whose sum is σ = 2629026400. Its totient is φ = 339607296.

The previous prime is 1029438101. The next prime is 1029438149. The reversal of 1029438108 is 8018349201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029438101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143908 + ... + 150891.

Almost surely, 2^1029438108 is an apocalyptic number.

1029438108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1029438108 is an abundant number, since it is smaller than the sum of its proper divisors (1599588292).

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

1029438108 is a wasteful number, since it uses less digits than its factorization.

1029438108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294906 (or 294901 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1029438108 is about 32084.8579239491. The cubic root of 1029438108 is about 1009.7179580410.

The spelling of 1029438108 in words is "one billion, twenty-nine million, four hundred thirty-eight thousand, one hundred eight".