3498621947 has 8 divisors (see below), whose sum is σ = 3705454512. Its totient is φ = 3291904000.

The previous prime is 3498621923. The next prime is 3498621953. The reversal of 3498621947 is 7491268943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3498621947 - 2⁶ = 3498621883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3498621967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38747 + ... + 92187.

It is an arithmetic number, because the mean of its divisors is an integer number (463181814).

Almost surely, 2^3498621947 is an apocalyptic number.

3498621947 is a deficient number, since it is larger than the sum of its proper divisors (206832565).

3498621947 is a wasteful number, since it uses less digits than its factorization.

3498621947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57309.

The product of its digits is 2612736, while the sum is 53.

The square root of 3498621947 is about 59149.1500107990. The cubic root of 3498621947 is about 1518.0951940397.

The spelling of 3498621947 in words is "three billion, four hundred ninety-eight million, six hundred twenty-one thousand, nine hundred forty-seven".