3430657 has 4 divisors (see below), whose sum is σ = 3579840. Its totient is φ = 3281476.

The previous prime is 3430643. The next prime is 3430663. The reversal of 3430657 is 7560343.

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: 7560343 = 7 ⋅1080049.

It is a cyclic number.

It is not a de Polignac number, because 3430657 - 2¹¹ = 3428609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3433657) 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, 74557 + ... + 74602.

It is an arithmetic number, because the mean of its divisors is an integer number (894960).

Almost surely, 2^3430657 is an apocalyptic number.

It is an amenable number.

3430657 is a deficient number, since it is larger than the sum of its proper divisors (149183).

3430657 is a wasteful number, since it uses less digits than its factorization.

3430657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149182.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3430657 is about 1852.2032825800. The cubic root of 3430657 is about 150.8200566915.

The spelling of 3430657 in words is "three million, four hundred thirty thousand, six hundred fifty-seven".