3450981 has 8 divisors (see below), whose sum is σ = 4611040. Its totient is φ = 2295792.

The previous prime is 3450977. The next prime is 3450991. The reversal of 3450981 is 1890543.

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

It is not a de Polignac number, because 3450981 - 2² = 3450977 is a prime.

It is a super-2 number, since 2×3450981² = 23818539724722, which contains 22 as substring.

It is an Ulam number.

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

It is a Duffinian number.

3450981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450911) 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, 1035 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (576380).

Almost surely, 2^3450981 is an apocalyptic number.

It is an amenable number.

3450981 is a deficient number, since it is larger than the sum of its proper divisors (1160059).

3450981 is a wasteful number, since it uses less digits than its factorization.

3450981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3450981 is about 1857.6816196539. The cubic root of 3450981 is about 151.1173013652.

It can be divided in two parts, 34 and 50981, that added together give a palindrome (51015).

The spelling of 3450981 in words is "three million, four hundred fifty thousand, nine hundred eighty-one".