698037249 has 16 divisors (see below), whose sum is σ = 1145497472. Its totient is φ = 368195328.

The previous prime is 698037233. The next prime is 698037269. The reversal of 698037249 is 942730896.

It is not a de Polignac number, because 698037249 - 2⁴ = 698037233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698037198 and 698037207.

It is not an unprimeable number, because it can be changed into a prime (698037209) 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, 1278184 + ... + 1278729.

It is an arithmetic number, because the mean of its divisors is an integer number (71593592).

Almost surely, 2^698037249 is an apocalyptic number.

It is an amenable number.

698037249 is a deficient number, since it is larger than the sum of its proper divisors (447460223).

698037249 is a wasteful number, since it uses less digits than its factorization.

698037249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556936.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 698037249 is about 26420.3945655624. The cubic root of 698037249 is about 887.0733513404.

The spelling of 698037249 in words is "six hundred ninety-eight million, thirty-seven thousand, two hundred forty-nine".