3534989 has 2 divisors, whose sum is σ = 3534990. Its totient is φ = 3534988.

The previous prime is 3534967. The next prime is 3535001. The reversal of 3534989 is 9894353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 1085764 = 1565^2 + 1042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3534989 is a prime.

It is a super-2 number, since 2×3534989² = 24992294460242, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3534919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767494 + 1767495.

It is an arithmetic number, because the mean of its divisors is an integer number (1767495).

Almost surely, 2^3534989 is an apocalyptic number.

It is an amenable number.

3534989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3534989 is an equidigital number, since it uses as much as digits as its factorization.

3534989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 3534989 is about 1880.1566424104. The cubic root of 3534989 is about 152.3337110641. Note that the first 3 decimals are identical.

The spelling of 3534989 in words is "three million, five hundred thirty-four thousand, nine hundred eighty-nine".