1999474652 has 48 divisors (see below), whose sum is σ = 4457053440. Its totient is φ = 764059392.

The previous prime is 1999474651. The next prime is 1999474681. The reversal of 1999474652 is 2564749991.

It is a super-2 number, since 2×1999474652² = 7995797767981042208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999474651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101498 + ... + 119585.

It is an arithmetic number, because the mean of its divisors is an integer number (92855280).

Almost surely, 2^1999474652 is an apocalyptic number.

It is an amenable number.

1999474652 is an abundant number, since it is smaller than the sum of its proper divisors (2457578788).

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

1999474652 is a wasteful number, since it uses less digits than its factorization.

1999474652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221130 (or 221128 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 1999474652 is about 44715.4855950374. The cubic root of 1999474652 is about 1259.8107240671.

The spelling of 1999474652 in words is "one billion, nine hundred ninety-nine million, four hundred seventy-four thousand, six hundred fifty-two".