369778 has 16 divisors (see below), whose sum is σ = 601920. Its totient is φ = 169776.

The previous prime is 369751. The next prime is 369791. The reversal of 369778 is 877963.

It is a self number, because there is not a number n which added to its sum of digits gives 369778.

It is an unprimeable number.

369778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2³⁶⁹⁷⁷⁸ is an apocalyptic number.

369778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

369778 is a deficient number, since it is larger than the sum of its proper divisors (232142).

369778 is a wasteful number, since it uses less digits than its factorization.

369778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 63504, while the sum is 40.

The square root of 369778 is about 608.0937427733. The cubic root of 369778 is about 71.7761825394.

The spelling of 369778 in words is "three hundred sixty-nine thousand, seven hundred seventy-eight".