1987529348 has 12 divisors (see below), whose sum is σ = 3975058752. Its totient is φ = 851798280.

The previous prime is 1987529263. The next prime is 1987529353. The reversal of 1987529348 is 8439257891.

1987529348 is an admirable number.

It is a super-2 number, since 2×1987529348² = 7900545818322610208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1987529293 and 1987529302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35491568 + ... + 35491623.

It is an arithmetic number, because the mean of its divisors is an integer number (331254896).

Almost surely, 2^1987529348 is an apocalyptic number.

It is an amenable number.

1987529348 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1987529348 is a wasteful number, since it uses less digits than its factorization.

1987529348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70983202 (or 70983200 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 1987529348 is about 44581.7153999260. The cubic root of 1987529348 is about 1257.2969153757.

The spelling of 1987529348 in words is "one billion, nine hundred eighty-seven million, five hundred twenty-nine thousand, three hundred forty-eight".