801620852 has 12 divisors (see below), whose sum is σ = 1403821440. Its totient is φ = 400529016.

The previous prime is 801620843. The next prime is 801620867. The reversal of 801620852 is 258026108.

It is a super-2 number, since 2×801620852² = 1285191980722411808, which contains 22 as substring.

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, 63878 + ... + 75389.

It is an arithmetic number, because the mean of its divisors is an integer number (116985120).

Almost surely, 2^801620852 is an apocalyptic number.

It is an amenable number.

801620852 is a deficient number, since it is larger than the sum of its proper divisors (602200588).

801620852 is a wasteful number, since it uses less digits than its factorization.

801620852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140710 (or 140708 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 801620852 is about 28312.9096350057. The cubic root of 801620852 is about 928.9442878340.

Subtracting from 801620852 its sum of digits (32), we obtain a triangular number (801620820 = T₄₀₀₄₀).

The spelling of 801620852 in words is "eight hundred one million, six hundred twenty thousand, eight hundred fifty-two".