961510238 has 16 divisors (see below), whose sum is σ = 1634957520. Its totient is φ = 420417216.

The previous prime is 961510217. The next prime is 961510241. The reversal of 961510238 is 832015169.

It is a junction number, because it is equal to n+sod(n) for n = 961510198 and 961510207.

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, 972695 + ... + 973682.

It is an arithmetic number, because the mean of its divisors is an integer number (102184845).

Almost surely, 2^961510238 is an apocalyptic number.

961510238 is a deficient number, since it is larger than the sum of its proper divisors (673447282).

961510238 is a wasteful number, since it uses less digits than its factorization.

961510238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946411.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 961510238 is about 31008.2285530793. The cubic root of 961510238 is about 987.0018597012.

The spelling of 961510238 in words is "nine hundred sixty-one million, five hundred ten thousand, two hundred thirty-eight".