393149 has 8 divisors (see below), whose sum is σ = 413952. Its totient is φ = 372960.

The previous prime is 393143. The next prime is 393157. The reversal of 393149 is 941393.

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 393149 - 2⁸ = 392893 is a prime.

It is a super-2 number, since 2×393149² = 309132272402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393149.

It is not an unprimeable number, because it can be changed into a prime (393143) 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, 1652 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2³⁹³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

393149 is a deficient number, since it is larger than the sum of its proper divisors (20803).

393149 is a wasteful number, since it uses less digits than its factorization.

393149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 2916, while the sum is 29.

The square root of 393149 is about 627.0159487605. The cubic root of 393149 is about 73.2575502707.

The spelling of 393149 in words is "three hundred ninety-three thousand, one hundred forty-nine".