514151988 has 96 divisors (see below), whose sum is σ = 1445756928. Its totient is φ = 139104000.

The previous prime is 514151977. The next prime is 514151999. The reversal of 514151988 is 889151415.

It is an interprime number because it is at equal distance from previous prime (514151977) and next prime (514151999).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120288 + ... + 124488.

It is an arithmetic number, because the mean of its divisors is an integer number (15059968).

Almost surely, 2^514151988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514151988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722878464).

514151988 is an abundant number, since it is smaller than the sum of its proper divisors (931604940).

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

514151988 is a wasteful number, since it uses less digits than its factorization.

514151988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4291 counting only the distinct ones).

The product of its digits is 57600, while the sum is 42.

The square root of 514151988 is about 22674.9198014017. The cubic root of 514151988 is about 801.1192604232.

The spelling of 514151988 in words is "five hundred fourteen million, one hundred fifty-one thousand, nine hundred eighty-eight".