213974 has 8 divisors (see below), whose sum is σ = 325080. Its totient is φ = 105616.

The previous prime is 213973. The next prime is 213977. The reversal of 213974 is 479312.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213974.

It is not an unprimeable number, because it can be changed into a prime (213973) 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, 479 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2²¹³⁹⁷⁴ is an apocalyptic number.

213974 is a deficient number, since it is larger than the sum of its proper divisors (111106).

213974 is a wasteful number, since it uses less digits than its factorization.

213974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its digits is 1512, while the sum is 26.

The square root of 213974 is about 462.5732374446. The cubic root of 213974 is about 59.8118178155.

The spelling of 213974 in words is "two hundred thirteen thousand, nine hundred seventy-four".