1934200866 has 32 divisors (see below), whose sum is σ = 4212794880. Its totient is φ = 588449664.

The previous prime is 1934200861. The next prime is 1934200867. The reversal of 1934200866 is 6680024391.

It is a super-2 number, since 2×1934200866² = 7482265980070299912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1934200861) 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, 132370 + ... + 146253.

It is an arithmetic number, because the mean of its divisors is an integer number (131649840).

Almost surely, 2^1934200866 is an apocalyptic number.

1934200866 is an abundant number, since it is smaller than the sum of its proper divisors (2278594014).

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

1934200866 is a wasteful number, since it uses less digits than its factorization.

1934200866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278730.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1934200866 is about 43979.5505434060. The cubic root of 1934200866 is about 1245.9497419154.

The spelling of 1934200866 in words is "one billion, nine hundred thirty-four million, two hundred thousand, eight hundred sixty-six".