3297400929 has 9 divisors (see below), whose sum is σ = 4763161299. Its totient is φ = 2198152440.

The previous prime is 3297400927. The next prime is 3297400943. The reversal of 3297400929 is 9290047923.

The square root of 3297400929 is 57423.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1799710929 + 1497690000 = 42423^2 + 38700^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3297400929 - 2¹ = 3297400927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3297400921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162699 + ... + 181839.

Almost surely, 2^3297400929 is an apocalyptic number.

3297400929 is the 57423-rd square number.

3297400929 is the 28712-nd centered octagonal number.

It is an amenable number.

3297400929 is a deficient number, since it is larger than the sum of its proper divisors (1465760370).

3297400929 is an frugal number, since it uses more digits than its factorization.

3297400929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38288 (or 19144 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The cubic root of 3297400929 is about 1488.4145905645.

The spelling of 3297400929 in words is "three billion, two hundred ninety-seven million, four hundred thousand, nine hundred twenty-nine".