366954381 has 10 divisors (see below), whose sum is σ = 548166542. Its totient is φ = 244636200.

The previous prime is 366954323. The next prime is 366954383. The reversal of 366954381 is 183459663.

It can be written as a sum of positive squares in only one way, i.e., 348755625 + 18198756 = 18675^2 + 4266^2 .

It is not a de Polignac number, because 366954381 - 2⁶ = 366954317 is a prime.

It is a super-2 number, since 2×366954381² = 269311035470186322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366954383) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2265070 + ... + 2265231.

Almost surely, 2^366954381 is an apocalyptic number.

It is an amenable number.

366954381 is a deficient number, since it is larger than the sum of its proper divisors (181212161).

366954381 is an equidigital number, since it uses as much as digits as its factorization.

366954381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530313 (or 4530304 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 366954381 is about 19156.0533774575. The cubic root of 366954381 is about 715.9302160643.

The spelling of 366954381 in words is "three hundred sixty-six million, nine hundred fifty-four thousand, three hundred eighty-one".