3987429030 has 96 divisors (see below), whose sum is σ = 11375634816. Its totient is φ = 962986752.

The previous prime is 3987429023. The next prime is 3987429041. The reversal of 3987429030 is 309247893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29859 + ... + 94161.

It is an arithmetic number, because the mean of its divisors is an integer number (118496196).

Almost surely, 2^3987429030 is an apocalyptic number.

3987429030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3987429030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5687817408).

3987429030 is an abundant number, since it is smaller than the sum of its proper divisors (7388205786).

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

3987429030 is a wasteful number, since it uses less digits than its factorization.

3987429030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64382 (or 64379 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3987429030 is about 63146.0927532338. The cubic root of 3987429030 is about 1585.7363759488.

The spelling of 3987429030 in words is "three billion, nine hundred eighty-seven million, four hundred twenty-nine thousand, thirty".