392493249 has 32 divisors (see below), whose sum is σ = 596557440. Its totient is φ = 254943936.

The previous prime is 392493247. The next prime is 392493259. The reversal of 392493249 is 942394293.

It is a happy number.

It is not a de Polignac number, because 392493249 - 2¹ = 392493247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392493247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223794 + ... + 225540.

It is an arithmetic number, because the mean of its divisors is an integer number (18642420).

Almost surely, 2^392493249 is an apocalyptic number.

It is an amenable number.

392493249 is a deficient number, since it is larger than the sum of its proper divisors (204064191).

392493249 is a wasteful number, since it uses less digits than its factorization.

392493249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1960 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 392493249 is about 19811.4423755566. The cubic root of 392493249 is about 732.1679774404.

The spelling of 392493249 in words is "three hundred ninety-two million, four hundred ninety-three thousand, two hundred forty-nine".