307418 has 16 divisors (see below), whose sum is σ = 495936. Its totient is φ = 142560.

The previous prime is 307409. The next prime is 307423. The reversal of 307418 is 814703.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 307393 and 307402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2³⁰⁷⁴¹⁸ is an apocalyptic number.

307418 is a deficient number, since it is larger than the sum of its proper divisors (188518).

307418 is a wasteful number, since it uses less digits than its factorization.

307418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 307418 is about 554.4528834806. The cubic root of 307418 is about 67.4905702419.

307418 divided by its sum of digits (23) gives a triangular number (13366 = T₁₆₃).

The spelling of 307418 in words is "three hundred seven thousand, four hundred eighteen".