344668148 has 12 divisors (see below), whose sum is σ = 658002912. Its totient is φ = 156667320.

The previous prime is 344668139. The next prime is 344668157. The reversal of 344668148 is 841866443.

It is an interprime number because it is at equal distance from previous prime (344668139) and next prime (344668157).

It is a super-2 number, since 2×344668148² = 237592264491499808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 7833367 = 344668148 / (3 + 4 + 4 + 6 + 6 + 8 + 1 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 344668099 and 344668108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916640 + ... + 3916727.

It is an arithmetic number, because the mean of its divisors is an integer number (54833576).

Almost surely, 2^344668148 is an apocalyptic number.

It is an amenable number.

344668148 is a deficient number, since it is larger than the sum of its proper divisors (313334764).

344668148 is a wasteful number, since it uses less digits than its factorization.

344668148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833382 (or 7833380 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 344668148 is about 18565.2403162469. The cubic root of 344668148 is about 701.1329598570.

The spelling of 344668148 in words is "three hundred forty-four million, six hundred sixty-eight thousand, one hundred forty-eight".