3426981 has 8 divisors (see below), whose sum is σ = 4579680. Its totient is φ = 2279472.

The previous prime is 3426967. The next prime is 3426989. The reversal of 3426981 is 1896243.

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

It is not a de Polignac number, because 3426981 - 2⁵ = 3426949 is a prime.

It is a super-2 number, since 2×3426981² = 23488397548722, which contains 22 as substring.

It is an Ulam number.

3426981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426989) 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, 675 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (572460).

Almost surely, 2^3426981 is an apocalyptic number.

It is an amenable number.

3426981 is a deficient number, since it is larger than the sum of its proper divisors (1152699).

3426981 is a wasteful number, since it uses less digits than its factorization.

3426981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595.

The product of its digits is 10368, while the sum is 33.

The square root of 3426981 is about 1851.2106849303. The cubic root of 3426981 is about 150.7661687951.

The spelling of 3426981 in words is "three million, four hundred twenty-six thousand, nine hundred eighty-one".