261034092 has 36 divisors (see below), whose sum is σ = 719822376. Its totient is φ = 79101120.

The previous prime is 261034069. The next prime is 261034093. The reversal of 261034092 is 290430162.

261034092 is a `hidden beast` number, since 2 + 610 + 3 + 40 + 9 + 2 = 666.

261034092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (261034093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329193 + ... + 329984.

It is an arithmetic number, because the mean of its divisors is an integer number (19995066).

Almost surely, 2^261034092 is an apocalyptic number.

261034092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

261034092 is an abundant number, since it is smaller than the sum of its proper divisors (458788284).

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

261034092 is a wasteful number, since it uses less digits than its factorization.

261034092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659198 (or 659193 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 261034092 is about 16156.5495078621. The cubic root of 261034092 is about 639.0954767810.

The spelling of 261034092 in words is "two hundred sixty-one million, thirty-four thousand, ninety-two".