213687038 has 8 divisors (see below), whose sum is σ = 327984888. Its totient is φ = 104358744.

The previous prime is 213687037. The next prime is 213687041. The reversal of 213687038 is 830786312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213686992 and 213687010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213687037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242281 + ... + 1242452.

It is an arithmetic number, because the mean of its divisors is an integer number (40998111).

Almost surely, 2^213687038 is an apocalyptic number.

213687038 is a deficient number, since it is larger than the sum of its proper divisors (114297850).

213687038 is a wasteful number, since it uses less digits than its factorization.

213687038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484778.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 213687038 is about 14618.0381036581. The cubic root of 213687038 is about 597.8506784065.

The spelling of 213687038 in words is "two hundred thirteen million, six hundred eighty-seven thousand, thirty-eight".