354390697 has 4 divisors (see below), whose sum is σ = 355191120. Its totient is φ = 353590276.

The previous prime is 354390599. The next prime is 354390703. The reversal of 354390697 is 796093453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 354390697 - 2¹¹ = 354388649 is a prime.

It is a super-2 number, since 2×354390697² = 251185532240291618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354390497) 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, 399547 + ... + 400432.

It is an arithmetic number, because the mean of its divisors is an integer number (88797780).

Almost surely, 2^354390697 is an apocalyptic number.

It is an amenable number.

354390697 is a deficient number, since it is larger than the sum of its proper divisors (800423).

354390697 is an equidigital number, since it uses as much as digits as its factorization.

354390697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800422.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 354390697 is about 18825.2675146995. The cubic root of 354390697 is about 707.6645453789.

The spelling of 354390697 in words is "three hundred fifty-four million, three hundred ninety thousand, six hundred ninety-seven".