61498438 has 8 divisors (see below), whose sum is σ = 92448288. Its totient is φ = 30682344.

The previous prime is 61498427. The next prime is 61498453. The reversal of 61498438 is 83489416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61498394 and 61498403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32281 + ... + 34132.

It is an arithmetic number, because the mean of its divisors is an integer number (11556036).

Almost surely, 2^61498438 is an apocalyptic number.

61498438 is a deficient number, since it is larger than the sum of its proper divisors (30949850).

61498438 is a wasteful number, since it uses less digits than its factorization.

61498438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66878.

The product of its digits is 165888, while the sum is 43.

The square root of 61498438 is about 7842.0939805641. The cubic root of 61498438 is about 394.7189968516.

The spelling of 61498438 in words is "sixty-one million, four hundred ninety-eight thousand, four hundred thirty-eight".