356849540 has 12 divisors (see below), whose sum is σ = 749384076. Its totient is φ = 142739808.

The previous prime is 356849513. The next prime is 356849569. The reversal of 356849540 is 45948653.

It can be written as a sum of positive squares in 2 ways, for example, as 264843076 + 92006464 = 16274^2 + 9592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 356849491 and 356849500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8921219 + ... + 8921258.

It is an arithmetic number, because the mean of its divisors is an integer number (62448673).

Almost surely, 2^356849540 is an apocalyptic number.

It is an amenable number.

356849540 is an abundant number, since it is smaller than the sum of its proper divisors (392534536).

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

356849540 is a wasteful number, since it uses less digits than its factorization.

356849540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17842486 (or 17842484 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 356849540 is about 18890.4616142645. The cubic root of 356849540 is about 709.2974204459.

The spelling of 356849540 in words is "three hundred fifty-six million, eight hundred forty-nine thousand, five hundred forty".