3465981 has 6 divisors (see below), whose sum is σ = 5006430. Its totient is φ = 2310648.

The previous prime is 3465971. The next prime is 3465989. The reversal of 3465981 is 1895643.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1602756 = 1365^2 + 1266^2 .

It is not a de Polignac number, because 3465981 - 2⁵ = 3465949 is a prime.

It is a super-2 number, since 2×3465981² = 24026048584722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3465989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192546 + ... + 192563.

It is an arithmetic number, because the mean of its divisors is an integer number (834405).

Almost surely, 2^3465981 is an apocalyptic number.

It is an amenable number.

3465981 is a deficient number, since it is larger than the sum of its proper divisors (1540449).

3465981 is a wasteful number, since it uses less digits than its factorization.

3465981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385115 (or 385112 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3465981 is about 1861.7145323599. The cubic root of 3465981 is about 151.3359332270.

The spelling of 3465981 in words is "three million, four hundred sixty-five thousand, nine hundred eighty-one".