196115437 has 16 divisors (see below), whose sum is σ = 227487744. Its totient is φ = 165600000.

The previous prime is 196115407. The next prime is 196115441. The reversal of 196115437 is 734511691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 196115437 - 2¹¹ = 196113389 is a prime.

It is a super-2 number, since 2×196115437² = 76922529259401938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196115396 and 196115405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196115407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169812 + ... + 170962.

It is an arithmetic number, because the mean of its divisors is an integer number (14217984).

Almost surely, 2^196115437 is an apocalyptic number.

It is an amenable number.

196115437 is a deficient number, since it is larger than the sum of its proper divisors (31372307).

196115437 is a wasteful number, since it uses less digits than its factorization.

196115437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its digits is 22680, while the sum is 37.

The square root of 196115437 is about 14004.1221431406. The cubic root of 196115437 is about 580.9925898868.

The spelling of 196115437 in words is "one hundred ninety-six million, one hundred fifteen thousand, four hundred thirty-seven".