392381045 has 16 divisors (see below), whose sum is σ = 538457088. Its totient is φ = 268894080.

The previous prime is 392381039. The next prime is 392381047. The reversal of 392381045 is 540183293.

It is not a de Polignac number, because 392381045 - 2⁸ = 392380789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 392380996 and 392381014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392381047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86012 + ... + 90458.

It is an arithmetic number, because the mean of its divisors is an integer number (33653568).

Almost surely, 2^392381045 is an apocalyptic number.

392381045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

392381045 is a deficient number, since it is larger than the sum of its proper divisors (146076043).

392381045 is a wasteful number, since it uses less digits than its factorization.

392381045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 392381045 is about 19808.6103752888. The cubic root of 392381045 is about 732.0982012887.

The spelling of 392381045 in words is "three hundred ninety-two million, three hundred eighty-one thousand, forty-five".