308974 has 4 divisors (see below), whose sum is σ = 463464. Its totient is φ = 154486.

The previous prime is 308951. The next prime is 308989. The reversal of 308974 is 479803.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77242 + ... + 77245.

It is an arithmetic number, because the mean of its divisors is an integer number (115866).

2³⁰⁸⁹⁷⁴ is an apocalyptic number.

308974 is a deficient number, since it is larger than the sum of its proper divisors (154490).

308974 is a wasteful number, since it uses less digits than its factorization.

308974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154489.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 308974 is about 555.8542974557. The cubic root of 308974 is about 67.6042467834.

It can be divided in two parts, 308 and 974, that multiplied together give a palindrome (299992).

The spelling of 308974 in words is "three hundred eight thousand, nine hundred seventy-four".