261038748 has 24 divisors (see below), whose sum is σ = 609469840. Its totient is φ = 86958720.

The previous prime is 261038747. The next prime is 261038797. The reversal of 261038748 is 847830162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261038747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16488 + ... + 28176.

Almost surely, 2^261038748 is an apocalyptic number.

It is an amenable number.

261038748 is an abundant number, since it is smaller than the sum of its proper divisors (348431092).

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

261038748 is a wasteful number, since it uses less digits than its factorization.

261038748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13557 (or 13555 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 261038748 is about 16156.6935973918. The cubic root of 261038748 is about 639.0992765540.

The spelling of 261038748 in words is "two hundred sixty-one million, thirty-eight thousand, seven hundred forty-eight".