213397496 has 32 divisors (see below), whose sum is σ = 449638560. Its totient is φ = 94207872.

The previous prime is 213397489. The next prime is 213397507. The reversal of 213397496 is 694793312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42215 + ... + 46998.

It is an arithmetic number, because the mean of its divisors is an integer number (14051205).

Almost surely, 2^213397496 is an apocalyptic number.

213397496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

213397496 is an abundant number, since it is smaller than the sum of its proper divisors (236241064).

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

213397496 is a wasteful number, since it uses less digits than its factorization.

213397496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89255 (or 89251 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 213397496 is about 14608.1311604188. The cubic root of 213397496 is about 597.5805308028.

It can be divided in two parts, 213 and 397496, that multiplied together give a palindrome (84666648).

The spelling of 213397496 in words is "two hundred thirteen million, three hundred ninety-seven thousand, four hundred ninety-six".