392000993 has 8 divisors (see below), whose sum is σ = 393853416. Its totient is φ = 390153600.

The previous prime is 392000969. The next prime is 392001017. The reversal of 392000993 is 399000293.

It is an interprime number because it is at equal distance from previous prime (392000969) and next prime (392001017).

It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 391762849 = 488^2 + 19793^2 .

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 392000993 - 2¹⁶ = 391935457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (392000933) 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, 283163 + ... + 284543.

It is an arithmetic number, because the mean of its divisors is an integer number (49231677).

Almost surely, 2^392000993 is an apocalyptic number.

It is an amenable number.

392000993 is a deficient number, since it is larger than the sum of its proper divisors (1852423).

392000993 is a wasteful number, since it uses less digits than its factorization.

392000993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 392000993 is about 19799.0149502444. The cubic root of 392000993 is about 731.8617599787.

The spelling of 392000993 in words is "three hundred ninety-two million, nine hundred ninety-three", and thus it is an aban number.