374978 has 6 divisors (see below), whose sum is σ = 563769. Its totient is φ = 187056.

The previous prime is 374977. The next prime is 374981. The reversal of 374978 is 879473.

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 69169 = 553^2 + 263^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=433.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (374977) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 650 + ... + 1082.

2³⁷⁴⁹⁷⁸ is an apocalyptic number.

374978 is a deficient number, since it is larger than the sum of its proper divisors (188791).

374978 is an frugal number, since it uses more digits than its factorization.

374978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 435 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 374978 is about 612.3544725076. The cubic root of 374978 is about 72.1110682882. Note that the first 3 decimals are identical.

The spelling of 374978 in words is "three hundred seventy-four thousand, nine hundred seventy-eight".