213275946 has 16 divisors (see below), whose sum is σ = 459363744. Its totient is φ = 65623344.

The previous prime is 213275927. The next prime is 213275963. The reversal of 213275946 is 649572312.

213275946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367076 + ... + 1367231.

It is an arithmetic number, because the mean of its divisors is an integer number (28710234).

Almost surely, 2^213275946 is an apocalyptic number.

213275946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

213275946 is an abundant number, since it is smaller than the sum of its proper divisors (246087798).

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

213275946 is a wasteful number, since it uses less digits than its factorization.

213275946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734325.

The product of its digits is 90720, while the sum is 39.

The square root of 213275946 is about 14603.9702136097. The cubic root of 213275946 is about 597.4670497635.

The spelling of 213275946 in words is "two hundred thirteen million, two hundred seventy-five thousand, nine hundred forty-six".