61896401 has 8 divisors (see below), whose sum is σ = 70824000. Its totient is φ = 52990128.

The previous prime is 61896383. The next prime is 61896407. The reversal of 61896401 is 10469816.

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

It is a cyclic number.

It is not a de Polignac number, because 61896401 - 2¹⁸ = 61634257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61896407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (8853000).

Almost surely, 2^61896401 is an apocalyptic number.

It is an amenable number.

61896401 is a deficient number, since it is larger than the sum of its proper divisors (8927599).

61896401 is an equidigital number, since it uses as much as digits as its factorization.

61896401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 61896401 is about 7867.4265805281. The cubic root of 61896401 is about 395.5685898889.

The spelling of 61896401 in words is "sixty-one million, eight hundred ninety-six thousand, four hundred one".