341656421 has 4 divisors (see below), whose sum is σ = 356511072. Its totient is φ = 326801772.

The previous prime is 341656417. The next prime is 341656439. The reversal of 341656421 is 124656143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124656143 = 3691 ⋅33773.

It is a cyclic number.

It is not a de Polignac number, because 341656421 - 2² = 341656417 is a prime.

It is a super-2 number, since 2×341656421² = 233458220021058482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341656451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7427291 + ... + 7427336.

It is an arithmetic number, because the mean of its divisors is an integer number (89127768).

Almost surely, 2^341656421 is an apocalyptic number.

It is an amenable number.

341656421 is a deficient number, since it is larger than the sum of its proper divisors (14854651).

341656421 is a wasteful number, since it uses less digits than its factorization.

341656421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854650.

The product of its digits is 17280, while the sum is 32.

The square root of 341656421 is about 18483.9503624090. The cubic root of 341656421 is about 699.0848046553.

The spelling of 341656421 in words is "three hundred forty-one million, six hundred fifty-six thousand, four hundred twenty-one".