537615398 has 16 divisors (see below), whose sum is σ = 836196480. Its totient is φ = 258926976.

The previous prime is 537615391. The next prime is 537615413. The reversal of 537615398 is 893516735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537615391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14411 + ... + 35817.

It is an arithmetic number, because the mean of its divisors is an integer number (52262280).

Almost surely, 2^537615398 is an apocalyptic number.

537615398 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

537615398 is a deficient number, since it is larger than the sum of its proper divisors (298581082).

537615398 is a wasteful number, since it uses less digits than its factorization.

537615398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871.

The product of its digits is 680400, while the sum is 47.

The square root of 537615398 is about 23186.5348424468. The cubic root of 537615398 is about 813.1248485083.

The spelling of 537615398 in words is "five hundred thirty-seven million, six hundred fifteen thousand, three hundred ninety-eight".