213620374 has 8 divisors (see below), whose sum is σ = 349560648. Its totient is φ = 97100160.

The previous prime is 213620371. The next prime is 213620377. The reversal of 213620374 is 473026312.

It is an interprime number because it is at equal distance from previous prime (213620371) and next prime (213620377).

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

It is a super-3 number, since 3×213620374³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213620371) 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, 4854987 + ... + 4855030.

It is an arithmetic number, because the mean of its divisors is an integer number (43695081).

Almost surely, 2^213620374 is an apocalyptic number.

213620374 is a deficient number, since it is larger than the sum of its proper divisors (135940274).

213620374 is a wasteful number, since it uses less digits than its factorization.

213620374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710030.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 213620374 is about 14615.7577292455. The cubic root of 213620374 is about 597.7885013971.

Adding to 213620374 its reverse (473026312), we get a palindrome (686646686).

The spelling of 213620374 in words is "two hundred thirteen million, six hundred twenty thousand, three hundred seventy-four".