3494680397 has 4 divisors (see below), whose sum is σ = 3763501980. Its totient is φ = 3225858816.

The previous prime is 3494680373. The next prime is 3494680447. The reversal of 3494680397 is 7930864943.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2318807716 + 1175872681 = 48154^2 + 34291^2 .

It is a cyclic number.

It is not a de Polignac number, because 3494680397 - 2⁶ = 3494680333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494680307) 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, 134410772 + ... + 134410797.

It is an arithmetic number, because the mean of its divisors is an integer number (940875495).

Almost surely, 2^3494680397 is an apocalyptic number.

It is an amenable number.

3494680397 is a deficient number, since it is larger than the sum of its proper divisors (268821583).

3494680397 is a wasteful number, since it uses less digits than its factorization.

3494680397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268821582.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 3494680397 is about 59115.8218838240. The cubic root of 3494680397 is about 1517.5248841033.

The spelling of 3494680397 in words is "three billion, four hundred ninety-four million, six hundred eighty thousand, three hundred ninety-seven".