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3397961 = 7485423
BaseRepresentation
bin1100111101100101001001
320101122010102
430331211021
51332213321
6200455145
740611410
oct14754511
96348112
103397961
111a10a36
12117a4b5
1391c838
14646477
15471c0b
hex33d949

3397961 has 4 divisors (see below), whose sum is σ = 3883392. Its totient is φ = 2912532.

The previous prime is 3397939. The next prime is 3397967. The reversal of 3397961 is 1697933.

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: 1697933 = 4141413.

It is not a de Polignac number, because 3397961 - 26 = 3397897 is a prime.

It is a super-2 number, since 2×33979612 = 23092277915042, 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 (3397967) 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, 242705 + ... + 242718.

It is an arithmetic number, because the mean of its divisors is an integer number (970848).

Almost surely, 23397961 is an apocalyptic number.

It is an amenable number.

3397961 is a deficient number, since it is larger than the sum of its proper divisors (485431).

3397961 is an equidigital number, since it uses as much as digits as its factorization.

3397961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485430.

The product of its digits is 30618, while the sum is 38.

The square root of 3397961 is about 1843.3559070348. The cubic root of 3397961 is about 150.3393944598.

The spelling of 3397961 in words is "three million, three hundred ninety-seven thousand, nine hundred sixty-one".

Divisors: 1 7 485423 3397961