361649057 has 12 divisors (see below), whose sum is σ = 458939376. Its totient is φ = 281804040.

The previous prime is 361649039. The next prime is 361649089. The reversal of 361649057 is 750946163.

It is not a de Polignac number, because 361649057 - 2⁸ = 361648801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361649027) 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, 334943 + ... + 336020.

It is an arithmetic number, because the mean of its divisors is an integer number (38244948).

Almost surely, 2^361649057 is an apocalyptic number.

It is an amenable number.

361649057 is a deficient number, since it is larger than the sum of its proper divisors (97290319).

361649057 is a wasteful number, since it uses less digits than its factorization.

361649057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670988 (or 670981 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 361649057 is about 19017.0727768498. The cubic root of 361649057 is about 712.4632139416.

The spelling of 361649057 in words is "three hundred sixty-one million, six hundred forty-nine thousand, fifty-seven".