61962890 has 48 divisors (see below), whose sum is σ = 125685000. Its totient is φ = 21964800.

The previous prime is 61962881. The next prime is 61962899. The reversal of 61962890 is 9826916.

It is an interprime number because it is at equal distance from previous prime (61962881) and next prime (61962899).

It can be written as a sum of positive squares in 4 ways, for example, as 30614089 + 31348801 = 5533^2 + 5599^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (61962899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48986 + ... + 50234.

Almost surely, 2^61962890 is an apocalyptic number.

61962890 is an abundant number, since it is smaller than the sum of its proper divisors (63722110).

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

61962890 is a wasteful number, since it uses less digits than its factorization.

61962890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 61962890 is about 7871.6510339318. The cubic root of 61962890 is about 395.7101788864.

The spelling of 61962890 in words is "sixty-one million, nine hundred sixty-two thousand, eight hundred ninety".