1985832074 has 8 divisors (see below), whose sum is σ = 2979414048. Its totient is φ = 992694060.

The previous prime is 1985832059. The next prime is 1985832077. The reversal of 1985832074 is 4702385891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1985832074² = 7887058052254282952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1985832077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99572 + ... + 117839.

It is an arithmetic number, because the mean of its divisors is an integer number (372426756).

Almost surely, 2^1985832074 is an apocalyptic number.

1985832074 is a deficient number, since it is larger than the sum of its proper divisors (993581974).

1985832074 is a wasteful number, since it uses less digits than its factorization.

1985832074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221980.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1985832074 is about 44562.6757948847. The cubic root of 1985832074 is about 1256.9389189683.

The spelling of 1985832074 in words is "one billion, nine hundred eighty-five million, eight hundred thirty-two thousand, seventy-four".