354869 has 2 divisors, whose sum is σ = 354870. Its totient is φ = 354868.

The previous prime is 354847. The next prime is 354877. The reversal of 354869 is 968453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 68644 = 535^2 + 262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354869 is a prime.

It is a super-2 number, since 2×354869² = 251864014322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹¹ + 5⁷ + 8⁵ + 4 + 6⁵ + 9⁵ .

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177434 + 177435.

It is an arithmetic number, because the mean of its divisors is an integer number (177435).

2³⁵⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

354869 is a deficient number, since it is larger than the sum of its proper divisors (1).

354869 is an equidigital number, since it uses as much as digits as its factorization.

354869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 354869 is about 595.7088214892. The cubic root of 354869 is about 70.7982768474.

It can be divided in two parts, 3 and 54869, that added together give a cube (54872 = 38³).

The spelling of 354869 in words is "three hundred fifty-four thousand, eight hundred sixty-nine".