213789400 has 48 divisors (see below), whose sum is σ = 542253240. Its totient is φ = 77740800.

The previous prime is 213789397. The next prime is 213789409. The reversal of 213789400 is 4987312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213789409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46389 + ... + 50788.

Almost surely, 2^213789400 is an apocalyptic number.

213789400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213789400 is an abundant number, since it is smaller than the sum of its proper divisors (328463840).

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

213789400 is a wasteful number, since it uses less digits than its factorization.

213789400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97204 (or 97195 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 213789400 is about 14621.5389066951. The cubic root of 213789400 is about 597.9461255030.

The spelling of 213789400 in words is "two hundred thirteen million, seven hundred eighty-nine thousand, four hundred".