61326438 has 8 divisors (see below), whose sum is σ = 122652888. Its totient is φ = 20442144.

The previous prime is 61326437. The next prime is 61326439. The reversal of 61326438 is 83462316.

It is an interprime number because it is at equal distance from previous prime (61326437) and next prime (61326439).

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

61326438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61326399 and 61326408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61326437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110531 + ... + 5110542.

It is an arithmetic number, because the mean of its divisors is an integer number (15331611).

Almost surely, 2^61326438 is an apocalyptic number.

61326438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61326438 is a wasteful number, since it uses less digits than its factorization.

61326438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221078.

The product of its digits is 20736, while the sum is 33.

The square root of 61326438 is about 7831.1198432919. The cubic root of 61326438 is about 394.3506673906.

The spelling of 61326438 in words is "sixty-one million, three hundred twenty-six thousand, four hundred thirty-eight".