1990214682 has 32 divisors (see below), whose sum is σ = 4104032832. Its totient is φ = 642945024.

The previous prime is 1990214657. The next prime is 1990214687. The reversal of 1990214682 is 2864120991.

It is a super-2 number, since 2×1990214682² = 7921908960896722248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1990214687) 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, 39613 + ... + 74495.

It is an arithmetic number, because the mean of its divisors is an integer number (128251026).

Almost surely, 2^1990214682 is an apocalyptic number.

1990214682 is an abundant number, since it is smaller than the sum of its proper divisors (2113818150).

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

1990214682 is a wasteful number, since it uses less digits than its factorization.

1990214682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35182.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1990214682 is about 44611.8222223661. The cubic root of 1990214682 is about 1257.8629016092.

The spelling of 1990214682 in words is "one billion, nine hundred ninety million, two hundred fourteen thousand, six hundred eighty-two".