1985948252 has 12 divisors (see below), whose sum is σ = 3475740240. Its totient is φ = 992879616.

The previous prime is 1985948233. The next prime is 1985948299. The reversal of 1985948252 is 2528495891.

It is a happy number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1985948194 and 1985948203.

It is a congruent number.

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, 47324 + ... + 78812.

It is an arithmetic number, because the mean of its divisors is an integer number (289645020).

Almost surely, 2^1985948252 is an apocalyptic number.

It is an amenable number.

1985948252 is a deficient number, since it is larger than the sum of its proper divisors (1489791988).

1985948252 is a wasteful number, since it uses less digits than its factorization.

1985948252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47260 (or 47258 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 53.

The square root of 1985948252 is about 44563.9793106495. The cubic root of 1985948252 is about 1256.9634302390.

The spelling of 1985948252 in words is "one billion, nine hundred eighty-five million, nine hundred forty-eight thousand, two hundred fifty-two".