213443092 has 12 divisors (see below), whose sum is σ = 395497620. Its totient is φ = 100443776.

The previous prime is 213443053. The next prime is 213443107. The reversal of 213443092 is 290344312.

It can be written as a sum of positive squares in 2 ways, for example, as 188403076 + 25040016 = 13726^2 + 5004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213443092.

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, 1569367 + ... + 1569502.

It is an arithmetic number, because the mean of its divisors is an integer number (32958135).

Almost surely, 2^213443092 is an apocalyptic number.

It is an amenable number.

213443092 is a deficient number, since it is larger than the sum of its proper divisors (182054528).

213443092 is a wasteful number, since it uses less digits than its factorization.

213443092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138890 (or 3138888 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 213443092 is about 14609.6917147488. The cubic root of 213443092 is about 597.6230888490.

The spelling of 213443092 in words is "two hundred thirteen million, four hundred forty-three thousand, ninety-two".