196697340 has 72 divisors (see below), whose sum is σ = 681888480. Its totient is φ = 44959104.

The previous prime is 196697323. The next prime is 196697359. The reversal of 196697340 is 43796691.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76795 + ... + 79314.

Almost surely, 2^196697340 is an apocalyptic number.

196697340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196697340 is an abundant number, since it is smaller than the sum of its proper divisors (485191140).

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

196697340 is a wasteful number, since it uses less digits than its factorization.

196697340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156131 (or 156126 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 196697340 is about 14024.8828872116. The cubic root of 196697340 is about 581.5666522987.

The spelling of 196697340 in words is "one hundred ninety-six million, six hundred ninety-seven thousand, three hundred forty".