698040465 has 16 divisors (see below), whose sum is σ = 1118737536. Its totient is φ = 371664000.

The previous prime is 698040407. The next prime is 698040467. The reversal of 698040465 is 564040896.

It is not a de Polignac number, because 698040465 - 2¹⁵ = 698007697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (698040467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29701 + ... + 47730.

It is an arithmetic number, because the mean of its divisors is an integer number (69921096).

Almost surely, 2^698040465 is an apocalyptic number.

It is an amenable number.

698040465 is a deficient number, since it is larger than the sum of its proper divisors (420697071).

698040465 is a wasteful number, since it uses less digits than its factorization.

698040465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78040.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 698040465 is about 26420.4554275660. The cubic root of 698040465 is about 887.0747136476.

The spelling of 698040465 in words is "six hundred ninety-eight million, forty thousand, four hundred sixty-five".