191397462 has 16 divisors (see below), whose sum is σ = 382932480. Its totient is φ = 63776232.

The previous prime is 191397457. The next prime is 191397497. The reversal of 191397462 is 264793191.

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, 25203 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (23933280).

Almost surely, 2^191397462 is an apocalyptic number.

191397462 is an abundant number, since it is smaller than the sum of its proper divisors (191535018).

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

191397462 is a wasteful number, since it uses less digits than its factorization.

191397462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467.

The product of its digits is 81648, while the sum is 42.

The square root of 191397462 is about 13834.6471584931. The cubic root of 191397462 is about 576.2957164509.

The spelling of 191397462 in words is "one hundred ninety-one million, three hundred ninety-seven thousand, four hundred sixty-two".