698399546 has 16 divisors (see below), whose sum is σ = 1132268424. Its totient is φ = 321171264.

The previous prime is 698399521. The next prime is 698399561. The reversal of 698399546 is 645993896.

698399546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 155276521 + 543123025 = 12461^2 + 23305^2 .

It is a super-2 number, since 2×698399546² = 975523851706012232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41285 + ... + 55688.

Almost surely, 2^698399546 is an apocalyptic number.

698399546 is a deficient number, since it is larger than the sum of its proper divisors (433868878).

698399546 is a wasteful number, since it uses less digits than its factorization.

698399546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97265.

The product of its digits is 12597120, while the sum is 59.

The square root of 698399546 is about 26427.2500650370. The cubic root of 698399546 is about 887.2267951233.

The spelling of 698399546 in words is "six hundred ninety-eight million, three hundred ninety-nine thousand, five hundred forty-six".