361376021 has 8 divisors (see below), whose sum is σ = 394977024. Its totient is φ = 329146560.

The previous prime is 361375981. The next prime is 361376033. The reversal of 361376021 is 120673163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361376021 - 2¹⁰ = 361374997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361376321) 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, 342335 + ... + 343388.

It is an arithmetic number, because the mean of its divisors is an integer number (49372128).

Almost surely, 2^361376021 is an apocalyptic number.

361376021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

361376021 is a deficient number, since it is larger than the sum of its proper divisors (33601003).

361376021 is a wasteful number, since it uses less digits than its factorization.

361376021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685771.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 361376021 is about 19009.8927140581. The cubic root of 361376021 is about 712.2838714939.

The spelling of 361376021 in words is "three hundred sixty-one million, three hundred seventy-six thousand, twenty-one".