61862394 has 32 divisors (see below), whose sum is σ = 139631040. Its totient is φ = 18099200.

The previous prime is 61862393. The next prime is 61862447. The reversal of 61862394 is 49326816.

It is a super-2 number, since 2×61862394² = 7653911582822472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61862393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14247 + ... + 18074.

It is an arithmetic number, because the mean of its divisors is an integer number (4363470).

Almost surely, 2^61862394 is an apocalyptic number.

61862394 is an abundant number, since it is smaller than the sum of its proper divisors (77768646).

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

61862394 is a wasteful number, since it uses less digits than its factorization.

61862394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32366.

The product of its digits is 62208, while the sum is 39.

The square root of 61862394 is about 7865.2650304996. The cubic root of 61862394 is about 395.4961324429.

The spelling of 61862394 in words is "sixty-one million, eight hundred sixty-two thousand, three hundred ninety-four".