3278397 has 8 divisors (see below), whose sum is σ = 4561344. Its totient is φ = 2090528.

The previous prime is 3278389. The next prime is 3278413. The reversal of 3278397 is 7938723.

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 3278397 - 2³ = 3278389 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 2⁷ + 7³ + 8⁷ + 3¹² + 9⁶ + 7⁶ .

3278397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278347) 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, 23688 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (570168).

Almost surely, 2^3278397 is an apocalyptic number.

It is an amenable number.

3278397 is a deficient number, since it is larger than the sum of its proper divisors (1282947).

3278397 is a wasteful number, since it uses less digits than its factorization.

3278397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47539.

The product of its digits is 63504, while the sum is 39.

The square root of 3278397 is about 1810.6344192023. The cubic root of 3278397 is about 148.5549683705.

The spelling of 3278397 in words is "three million, two hundred seventy-eight thousand, three hundred ninety-seven".