354396737 has 2 divisors, whose sum is σ = 354396738. Its totient is φ = 354396736.

The previous prime is 354396709. The next prime is 354396769. The reversal of 354396737 is 737693453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338707216 + 15689521 = 18404^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 354396737 - 2¹² = 354392641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354396691 and 354396700.

It is not a weakly prime, because it can be changed into another prime (354396437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177198368 + 177198369.

It is an arithmetic number, because the mean of its divisors is an integer number (177198369).

Almost surely, 2^354396737 is an apocalyptic number.

It is an amenable number.

354396737 is a deficient number, since it is larger than the sum of its proper divisors (1).

354396737 is an equidigital number, since it uses as much as digits as its factorization.

354396737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 47.

The square root of 354396737 is about 18825.4279367031. The cubic root of 354396737 is about 707.6685656778.

The spelling of 354396737 in words is "three hundred fifty-four million, three hundred ninety-six thousand, seven hundred thirty-seven".