213432476 has 6 divisors (see below), whose sum is σ = 373506840. Its totient is φ = 106716236.

The previous prime is 213432463. The next prime is 213432481. The reversal of 213432476 is 674234312.

213432476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213432476² = 91106843622981152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26679056 + ... + 26679063.

It is an arithmetic number, because the mean of its divisors is an integer number (62251140).

Almost surely, 2^213432476 is an apocalyptic number.

It is an amenable number.

213432476 is a deficient number, since it is larger than the sum of its proper divisors (160074364).

213432476 is a wasteful number, since it uses less digits than its factorization.

213432476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53358123 (or 53358121 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 213432476 is about 14609.3283897652. The cubic root of 213432476 is about 597.6131807094.

Adding to 213432476 its reverse (674234312), we get a palindrome (887666788).

The spelling of 213432476 in words is "two hundred thirteen million, four hundred thirty-two thousand, four hundred seventy-six".