213402998 has 8 divisors (see below), whose sum is σ = 320963808. Its totient is φ = 106415064.

The previous prime is 213402979. The next prime is 213403019. The reversal of 213402998 is 899204312.

213402998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142286 + ... + 143777.

It is an arithmetic number, because the mean of its divisors is an integer number (40120476).

Almost surely, 2^213402998 is an apocalyptic number.

213402998 is a deficient number, since it is larger than the sum of its proper divisors (107560810).

213402998 is a wasteful number, since it uses less digits than its factorization.

213402998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286438.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 213402998 is about 14608.3194789818. The cubic root of 213402998 is about 597.5856665391.

The spelling of 213402998 in words is "two hundred thirteen million, four hundred two thousand, nine hundred ninety-eight".