3470981 has 4 divisors (see below), whose sum is σ = 3590700. Its totient is φ = 3351264.

The previous prime is 3470963. The next prime is 3470983. The reversal of 3470981 is 1890743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 801025 + 2669956 = 895^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 3470981 - 2¹⁰ = 3469957 is a prime.

It is a super-2 number, since 2×3470981² = 24095418204722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3470983) 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, 59816 + ... + 59873.

It is an arithmetic number, because the mean of its divisors is an integer number (897675).

Almost surely, 2^3470981 is an apocalyptic number.

It is an amenable number.

3470981 is a deficient number, since it is larger than the sum of its proper divisors (119719).

3470981 is a wasteful number, since it uses less digits than its factorization.

3470981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119718.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3470981 is about 1863.0568966084. The cubic root of 3470981 is about 151.4086703152.

The spelling of 3470981 in words is "three million, four hundred seventy thousand, nine hundred eighty-one".